CMA Dishmachines | CMA-180UC | Owner`s manual | CMA Dishmachines CMA-180UC Owner`s manual

Owner’s Manual
Keep with machine for reference
MODEL L-1X & L-1X16
Installation & Operations
Rev 1.16A
CMA DISHMACHINES
12700 KNOTT AVENUE
GARDEN GROVE, CALIFORNIA 92841
800-854-6417
FAX 714-895-2141
www.cmadishmachines.com
TABLE OF CONTENTS
MODEL CMA-L-1X & L-1X16
1.
2.
3.
SPECIFICATIONS .........................................................................................2
1.1.
L-1X & L-1X16.............................................................................................................................. 2
1.2.
L-1X AND L-1X16 OPERATIONAL CYCLE....................................................................................... 3
GETTING STARTED .....................................................................................5
2.1.
INTRODUCTION TO THE L-1X AND L-1X16 ..................................................................................... 5
2.2.
RECEIVING AND INSTALLATION ...................................................................................................... 6
2.2.1.
Electrical ................................................................................................................................ 6
2.2.2.
Plumbing................................................................................................................................. 6
2.2.3.
Post Instructions ..................................................................................................................... 7
2.2.4.
Installers Checklist ................................................................................................................. 7
OPERATION..................................................................................................8
3.1.
3.1.1.
Check…................................................................................................................................... 8
3.1.2.
Chemicals ............................................................................................................................... 8
3.1.3.
Filling the Machine ................................................................................................................ 8
3.2.
4.
INITIAL SETUP ................................................................................................................................. 8
GENERAL......................................................................................................................................... 8
3.2.1.
Pre-Scrapping......................................................................................................................... 9
3.2.2.
Proper Chemical Dosage ....................................................................................................... 9
3.2.3.
Proper Filling ......................................................................................................................... 9
3.2.4.
Water Pump ............................................................................................................................ 9
3.2.5.
Pump Cavitation ..................................................................................................................... 9
MAINTENANCE...........................................................................................10
4.1.
TIMER ASSEMBLY .......................................................................................................................... 10
4.1.1.
5.
Cam Adjustment.................................................................................................................... 10
4.2.
QUICK SERVICE GUIDE ................................................................................................................... 11
4.3.
TROUBLESHOOTING....................................................................................................................... 12
ADDENDUM FOR MACHINES INSTALLED IN THE CITY OF CHICAGO .15
APPENDIX A: OPERATOR & CLEANING INSTRUCTIONS ............................16
6.
ELECTRICAL DIAGRAM (EFFECTIVE 06/2007) .......................................17
1. Specifications
1.1.
METRIC
EQUIVALENT
L-1X & L-1X16
WATER CONSUMPTION
PER RACK
1.7 GAL.
6.44 L
PER HOUR
40.8 GAL.
154.4 L
WASH TIME-SEC
58
58
RINSE TIME-SEC
32
32
DWELL TIME-SEC
30
30
2 MIN.
2 MIN.
30
30
WASH TANK CAPACITY
1.7 GAL.
6.44 L
PUMP CAPACITY
35 GPM
132.5 LPM
140°F
60°C
OPERATING CYCLE
TOTAL CYCLE
OPERATING CAPACITY
RACKS PER HOUR
WATER REQUIREMENTS
WATER INLET
½”
1.27cm
DRAIN CONNECTION
1”
2.54 cm
140
60°C
DEPTH
23 ½”
59.69 cm
WIDTH
24”
60.96 cm
L-1X HEIGHT
30”
76.2 cm
L-1X16 HEIGHT
33 ¾”
85.73 cm
L-1X MAX CLEARANCE FOR DISHES
12 ¼”
31.11 cm
16”
40.64 cm
CYCLE TEMPERATURES
WASH-°F (Min)
FRAME DIMENSIONS
L-1X16 MAX CLEARANCE FOR DISHES
115 VAC
ELECTRICAL*
15.8 AMPS
SUSTAINER HEATER
0.8 kW
(Not Booster Heater)
WASH PUMP MOTOR
13.4 AMPS
*MUST CONNECT TO DEDICATED 20 AMP SUPPLY CIRCUIT.
COMPLIANCE WITH LOCAL ELECTRICAL CODES MUST BE FOLLOWED.
SHIPPING WEIGHT
L-1X (Approximate)
190#
86.2 kg
L-1X16 (Approximate)
195#
88.5 kg
MODEL L-1X & L-1X16 INSTALLATION & OPERATION MANUAL Rev. 1.16A
Page 2
1.2.
L-1X and L-1X16 Operational Cycle
The L-1X and L-1X16 Operational Cycle has a total cycle time of 2 minutes (120
seconds). The Timing Diagram and the steps listed below detail the individual functions
that are executed during each Operational Cycle.
Seconds: 0
10
120
20
30
40
50
60
70
80
90
100
110
Instant
Start Relay
Cam 1
Start/Stop
Cam 2
Detergent
Cam 3
Cam 4
RINSE
WASH
F
L
U
S
H
Drain
FILL
Flush/Fill
Cam 5
Sanitizer
Cam 6
Rinse
Pump Motor
Cam 7
Heater
Cam 8
1. With the machine powered up, toggling the START switch begins a cycle.
a) Toggling the START switch energizes both the cam timer motor and the instant
start relay. The instant start relay latches ON the power to the cam timer motor so
that the START switch can be released a moment after it has been toggled without
the cam timer motor losing power.
b) After about 2 seconds, Cam 1—the Start cam—latches ON the power to the cam
timer motor and drops out the instant start relay. The cam timer motor continues
to run for a total of 2 minutes, at which time it switches OFF—resetting the cam
timer—and waits for the next start command.
MODEL L-1X & L-1X16 INSTALLATION & OPERATION MANUAL Rev. 1.16A
Page
3
2. Cam switch 7 controls the pump motor. The pump motor comes ON at the beginning
of the operational cycle and continues to run until the end of the drain function
(controlled by cam switch 3), at which time it turns off for about eight seconds
allowing time for the machine to refill enough to avoid running the pump dry before
the pump motor restarts and runs to the completion of the operational cycle.
The pump motor runs the pump for the 58-second wash cycle, then pumps the water
out through the drain, turns off (allowing the machine to refill with clean rinse water)
and then runs the pump for the 32-second rinse cycle.
3. Cam switch 3 controls the drain function. At the end of the 58-second wash cycle,
cam switch 3 energizes the drain valve solenoid allowing the pump motor to drain the
wash water out of the machine. Cam switch 3 also increments the rack counter by one
each cycle.
4. Cam switch 4 controls the water valve solenoid on the water supply to flush and fill
the machine. At the end of the wash cycle the drain valve is opened, the pump motor
continues to run (to pump the wash water out through the drain), and the Flush
function begins. At first, flushing the machine because the drain valve is still open,
then—with the drain valve closed and the pump motor stopped— the machine begins
to fill for the rinse cycle. Once the machine has refilled sufficiently, the pump motor
restarts carrying out the rinse portion of the cycle as the filling of the wash tank
completes.
5. Cam switch 2 controls the detergent pump and turns ON about 5 seconds after the
operational cycle is started and runs for a few seconds to provide sufficient detergent
for the wash cycle. This cam can be adjusted as necessary for proper detergent
dosage.
See section 4.1.1 Cam Adjustment
6. Cam switches 5 and 6 control the sanitizer and rinse pumps respectively. They turn
ON at the beginning of the rinse cycle and run for a few seconds to provide sufficient
sanitizer and rinse aid for the rinse cycle. These cams can be adjusted as necessary for
proper chemical dosage. See section 4.1.1 Cam Adjustment
7. Cam switch 8 operates the optional sustainer heater. This cam assures that the
sustainer heater only turns on when the dishmachine is not in a cycle. This prevents
the machine from drawing too much electrical current at any one time.
MODEL L-1X & L-1X16 INSTALLATION & OPERATION MANUAL Rev. 1.16A
Page
4
Getting Started
2. Getting Started
All sections of the manual address both the L-1X and the L-1X16. Separate information on each
machine is only provided where differences exist between the two models.
2.1.
Introduction to the L-1X and L-1X16
The L-1X and L-1X16 Dishmachines are unique in their field; they have all the features of a
standard commercial size machine packed into an under-counter, standalone dishmachine.
Operation of the L-1X and L-1X16 are extremely easy. After initially filling the machine (see
section 3.1.3 Filling the Machine), toggling the Fill/Start switch to the “START” position begins the
Operational Cycle, which runs automatically.
To reduce service time, all electrical components are mounted in a sliding drawer for easy access.
This “Works-In-A-Drawer” can be removed by unplugging a single connector for easy
serviceability.
The only external connections necessary are the power source, water supply and drainpipe.
There are also accessories that can be chosen when desired such as the optional sustainer heater
and 6” legs. The optional sustainer heater with thermostat is extremely practical for maintaining
wash tank temperature between cycles. The 800 watt heater will hold the wash tank temperature
between 130°F and 140°F while the machine is not being run. See parts manual for the parts list
and accessories available for the machine.
The supply water to the L-1X and L-1X16 must be a minimum of 140°F. The pipe supplying the
water must be ½” minimum. The plumbing connection is located at the back of the machine. The
drain is a 1" barbed fitting located at the back of the machine for easy attachment of your drain
hose. See section 2.2.2 Plumbing.
This manual is structured to provide a complete reference guide to the L-1X and L-1X16. It is
presented in a manner that all users will be able to comprehend and use as an effective tool in
supporting the installation, operation and maintenance of the dishmachine. The first section
provides the specifications and details of the operational cycle. The next section explains how the
machine is packaged and what to look for when receiving the machine. After unpacking the
machine, this manual explains how to install and set up the machine for use. Requirements are
given for plumbing, wiring, and space considerations. These attributes of the machine are always
taken into consideration by our well-trained sales representatives prior to the order being placed.
In the manual, guidance is also given for operation to ensure that the machine will be able to run
optimally.
The Operation section of the manual may be used for instruction and procedures when required.
We make this portion of the manual easy to understand so that all levels of operators may be able
to read and comprehend the operation of the machine. The function of the machine itself is mostly
automatic and takes little training to put into full operation. The Operation section also includes
diagnostic considerations for the machine if problems occur.
The Maintenance section of the manual is for qualified personnel and provides trouble shooting
procedures and specific maintenance instructions.
The final section of the manual is the Parts Manual. This section has the parts lists and wiring
diagram for the machine.
CMA warranties the workmanship of the machine.
At CMA we are committed to providing the best machines and customer service in the food and
beverage industry and your feedback is welcome.
MODEL L-1X & L-1X16 INSTALLATION & OPERATION MANUAL Rev. 1.16A
Page 5
Getting Started
2.2.
Receiving and Installation
The dishwasher is shipped from the factory in a corrugated box on a wooden pallet. The
installation guidelines give a systematic procedure for setting up the machine.
1. Start by removing the box and packaging material. Check for the following component parts:
A. Drain Screen:
The Wash Tank Scrap Screen is shipped inside the wash cavity of the machine. This
screen must be in place during operation. It has been designed to perform two basic
functions:
•
Strain water that is circulating through the spray arms and pump assembly.
•
A basket to catch heavy solids or broken glass that may plug the impeller.
B. Spray Arms
The end caps on the spray arms have been taped to protect them in shipping. Remove
the tape from the spray arm end caps.
C. Tube Stiffeners:
The tube stiffeners must be used to prevent the feed tubes from curling up inside the
chemical pail allowing the tip to rise out of the chemical. Remove the tie-wraps securing
the tube stiffeners to the dishmachine to free them up for use. Be careful not to remove
any of the tie-wraps securing the tube bundle.
2. Set the machine in place and, using the leg adjusters, level from side-to-side and front-toback.
2.2.1. Electrical *
A 20-amp, 115 volt, 60 Hz dedicated circuit must be used to supply electrical power to the L-1X or
L-1X16 Dishmachine (see specification sheet page 1). The power connection must be such that
there is sufficient length of flexible conduit or power cord to permit the machine to be moved for
cleaning.
2.2.2. Plumbing *
The machine is equipped with a gate valve with a ½” female NPT connection located at the lower
left-hand corner (facing the back) of the machine. A 140°F water line should be plumbed to this
point. The water line used must be of sufficient length and flexibility to permit the machine to be
moved for cleaning.
*
Electrical and plumbing connections must be made by a qualified person who will comply with all
available Federal, State, and Local Health, Electrical, Plumbing and Safety codes
MODEL L-1X & L-1X16 Installation & Operations Manual Rev. 1.16A
Page 6
Getting Started
A 1” male NPT fitting is provided for the drain connection on the discharge port of the diverter
valve (lower, right-hand corner of machine). This fitting may be removed and user provided
hardware may be used if necessary to facilitate compliance with local plumbing codes. Code
requires that the drain discharge provides an air gap no less than 1” or two pipe diameters,
whichever is greater, above the flood level rim of an approved floor drain.
2.2.3. Post Instructions
Mount the wall chart provided in a conspicuous place and instruct the operators on proper cleaning
and operation of the L-1X and L-1X16. The instruction chart is also provided as an appendix to
this manual (see appendix).
2.2.4. Installers Checklist
Dishmachine checked for concealed damage
Hot water supply is 140° F (60 C)
Incoming water supply line is ½” minimum
Supply circuit breaker for machine is properly sized (20 amp)
Service voltage and phase type are correct to machine data plate
Drain hose is installed with adequate air gap
Dishmachine is properly grounded
Dishmachine is properly leveled
Machine circuit breaker is labeled “DISHWASHER”
Machine has been connected with correctly sized wire (12 gauge
minimum)
MODEL L-1X & L-1X16 Installation & Operations Manual Rev. 1.16A
Page 7
Operation
3. Operation
3.1.
Initial Setup
3.1.1. Check…
Drain screen is in place
Spay arms and end plugs are secure
3.1.2. Chemicals
•
Assure there is a sufficient supply of chemicals before beginning a shift.
3.1.3. Filling the Machine
•
3.2.
With the power ON, press and hold the Fill/Start switch in the “FILL” position
until the water level in the wash tank is about 1” deep, for best results use
water level indicator located at the back of the wash tank.
General
Caution: Do not operate the dishmachine without the drain screen in place. Debris
getting into the pump impeller can damage the pump.
1. Load a rack of properly pre-scrapped dished into the machine and close the door.
2. With the machine filled to the proper level, toggle the Fill/Start rocker switch to the
“START” position – the machine will automatically begin its cycle. The green running
light on the switch will illuminate while an operational cycle is in process.
3. At the end of the shift, drain the machine by holding the Drain rocker switch in the
“DRAIN” position until the machine is completely drained. To avoid running the pump
dry, do not hold the Drain rocker switch in the “DRAIN” position any longer than
necessary.
4. Remove and clean the drain screen. Remove and clean the spray arms. (See wall
chart instructions or instructions provided in Appendix A: Operator & Cleaning
Instructions).
5. Replace the drain screen and spray arms.
6. Inspect your dishmachine interior for lime deposits. If de-liming is required, a deliming agent should be used for best results in accordance with chemical supplier’s
instructions.
•
Toggle De-lime switch to the “De-lime” position.
•
Allow the machine to run for several minutes or until the interior lime build up
has been dissolved.
•
Flip De-lime switch to the “Normal” position.
Warning: Close the dishmachine door before activating the De-lime Switch. Skin
contact with de-liming solutions can cause severe irritation and possible burn. Always
wear protective clothing and goggles when handling chemicals. Contact your
chemical supplier for specific safety procedures for the use of de-liming solution.
MODEL L-1X & L-1X16 INSTALLATION & OPERATION MANUAL Rev. 1.16A
Page 8
Operation
3.2.1. Pre-Scrapping
It is essential that the operator thoroughly understand the importance of pre-scrapping the
dishes before loading them. The L-1X and L-1X16 are equipped with a removable drain
screen. The drain screen can be easily removed for cleaning between Operational Cycles
of the dishmachine. Properly pre-scrapping the dishes should permit the dishmachine to
operate for an entire shift before needing to remove and clean the drain screen.
3.2.2. Proper Chemical Dosage
The amount of chemical delivered, whether it is detergent, sanitizer or rinse aid, is
determined by its respective cam on the cam timer.
•
Cam number 2 runs the detergent pump
•
Cam number 5 runs the sanitizer pump
•
Cam number 6 runs the rinse aid pump
These cams were set at the factory but can be adjusted after final installation to maximize
efficiency of chemical use (see section 4.1.1 Cam Adjustment.)
3.2.3. Proper Filling
The amount the machine is automatically filled each cycle is determined by the number 4
cam. When the number 4 cam switch actuator rides down into the cam groove, the
solenoid valve on the fill line is energized causing the machine to fill. Since the cam only
controls the duration of the fill, varying water pressure can vary the amount the machine
fills. If the water pressure at the facility where the machine is installed is enough higher or
lower than the water pressure was at the factory, the number 4 cam may need to be
adjusted to correct the difference (see section 4.1.1 Cam Adjustment). The machine
should be filling to a level about 1” deep over the entire bottom of the wash tank, or just
below the lower wash arm. If the water pressure at the facility varies throughout the day, a
pressure regulator may have to be installed on the water supply line to the machine to
maintain constant pressure.
Note: If the optional sustainer heater is installed, the wash tank must be properly filled,
and the machine properly leveled, or the float switch, which prevents the heater from
turning on if the level is too low, will not permit the heater to turn on.
3.2.4. Water Pump
The water pump takes in water from the drain sump and pumps it to the spray nozzles at a
rate of 68 gallons per minute and a pressure at the nozzles of approximately 7 to 10 PSI.
After being released through the spray arms and washing or rinsing the dishes, the water
runs down the pan to the sump, through the drain screen, and back to the pump.
The pump is driven by a 115 volt, 1 HP motor operating at 3450 RPM. The impeller is
mounted with a right-hand thread onto a 5/8” stainless steel shaft, which is coupled to the
motor armature shaft.
3.2.5. Pump Cavitation
By listening to the normal pumping sound of the motor it can be determined if there is
insufficient water in the machine, as you will hear a hesitation in the normal pumping
rhythm, which is created by the air getting into the pump. Cam 4 can be adjusted to
increase the amount of water that is automatically fed into the machine during a cycle (see
section 4.1.1 Cam Adjustment).
MODEL L-1X & L-1X16 Installation & Operations Manual Rev. 1.16A
Page 9
Maintenance
4. Maintenance
The maintenance procedures detailed in this section are to be performed by qualified personnel.
4.1.
Timer assembly
The standard timer assembly consists of a ½ RPM (2 minutes per revolution) motor turning a common
shaft, which, in turn, rotates eight cams. As the cams rotate, they control various functions and the
sequence of the operational cycle.
The individual function of each of the 8 cams is identified by a label on the timer assembly. Cams 1
through 8 are positioned from left to right beginning with the “START” cam (cam 1).
START
DET.
DRAIN
FLUSH
SANI.
RINSE
MOTOR
PAUSE
*
HEATER
Timer Assembly Label
*The “HEATER” label is not present if the optional sustainer heater is not installed on the machine.
Except for cams 1, and 3, all other cams can be user adjusted. The cam positions are all set at the
factory and only the cams controlling the chemical pumps (cams 2, 5 & 6) should ever need adjusting.
Each micro switch on the timer assembly is turned on and off by the cam its actuator rides on. For all of
the cams, except cams 1, 7 and 8, its corresponding switch is ON when its actuator is down in the cam
groove. (Cams 1, 7 and 8 are reverse acting and are turned ON when the micro switch actuator is up
out of the groove.) Opening the groove of any cam other than cams 1, 7 or 8 will increase the amount of
time that the micro switch is held ON. The cams are slip-fit and a cam adjustment wrench is provided (a
small screw driver or the edge of a table knife can also work to adjust the cams).
4.1.1. Cam Adjustment
The two sides of each cam connect to the shaft with a slip-fit so all cam adjustments are made
by rotating one side of the cam on the shaft to either increase or decrease the size of the cam
groove.
1. Turn off the circuit breaker providing power to the machine before pulling the control drawer
out to access the timer assembly.
Caution: One of the terminals on the main power switch remains “hot” even when the
machine’s main power switch is turned off—so turn the power off at the circuit breaker.
2. Remove the two 8–32 x ½” Screws securing the control drawer and slide it out to its fully
extended position.
3. Using the timer assembly label, determine which cam is to be adjusted. Double check by
counting over from cam 1 to the cam to be adjusted.
4. Determine which edge of the cam groove to be adjusted is the leading edge (contacts the
limit switch actuator first when the shaft is rotating) and which edge of the groove is the
trailing edge. The leading edge of the cam groove determines when in the cycle the control
action begins and should not be changed.
5. Adjust the trailing edge of the cam groove by rotating the appropriate side of the cam in the
proper direction to either increase or decrease the cam’s groove; resulting in increasing or
decreasing the total time that switch will be held ON.
MODEL L-1X & L-1X16 INSTALLATION & OPERATION MANUAL Rev. 1.16A
Page 10
Maintenance
4.2.
Quick service guide
MODELS: L-1X, L-1X16 UNDER COUNTER
TECHNICAL ISSUE
Wash Pump motor will not shut off
Continues cycles
Sustainer heater not working
Machine does not drain
Does not hold water
Tank overflows overnight
Water leaks out of Vacuum Breaker
CAUSE
SOLUTION
Delimer switch in delime position
Flip to NORMAL position
Faulty delimer switch
Replace switch, P/N 00475.30
Faulty manual drain switch
Replace switch, P/N 03406.62
Faulty contactor
Replace contactor, P/N 00404.82
Faulty #1 micro switch (start/stop)
Replace switch, P/N 00411.00
Faulty start/fill switch
Replace switch, P/N 03470.01
Faulty #1 micro switch
Low water level inside machine
Replace switch, P/N 00411.00
Add water to tank to activate float switch, adjust
water cam on timer
Faulty float switch
Replace switch, P/N 13463.10
Machine not level
Level machine
Faulty ice cube relay
Replace relay, P/N 00631.00
Faulty #3 micro switch (drain)
Replace switch, P/N 00411.00
Faulty drain valve
Replace drain valve, P/N 04103.00
Faulty #3 micro switch (drain)
Replace switch, P/N 00411.00
Clogged or defective drain valve
Clean and/ or replace drain valve, P/N 04103.00
Clean and replace valve diaphragm, P/N
00707.00
Clean or replace internal parts, P/N 03623.00
Debris in water Solenoid Valve
Dirty or defective vacuum breaker kit
assy
Faulty check valve
Replace check valve, P/N 00715.00
Male/ female plug on the back of control Secure plug
drawer is loose
Wash Pump motor not running
Timer does not rotate
Machine does not fill
Sanitizer pump does not run
Faulty door reed switch
Replace reed switch, P/N 00557.55
Faulty 7th micro switch
Replace switch, P/N 00411.00
Faulty motor contactor
Replace contactor, P/N 00404.82
Faulty Start/Fill Switch
Replace switch, P/N 03470.01
Faulty #1 micro switch
Replace switch, P/N 00411.00
Faulty timer motor
Replace motor assembly, P/N 00501.00
Faulty #4 Micro switch
Debris inside water solenoid valve or
Faulty valve
Replace switch, P/N 00411.00
Faulty water solenoid coil
Replace solenoid coil, P/N 00738.10
Clean and replace valve diaphragm, P/N
00707.00
Delimer switch in wrong position
Switch to NORMAL position
Faulty 5th micro switch
Replace switch, P/N 00411.00
Faulty sanitizer pump motor
Replace motor, P/N 00416.00
MODEL L-1X & L-1X16 INSTALLATION & OPERATION MANUAL Rev. 1.16A
Page 11
Maintenance
4.3.
Troubleshooting
PROBLEM
LIKELY CAUSE
SOLUTION
Machine inoperative
Power off at circuit breaker
Reset circuit breaker
Defective power switch
Replace power switch
P/N: 00433.10
Defective timer assembly motor
Replace timer assembly motor
P/N: 00501.00
Pump Motor inoperative
Door is open
Close door
Control drawer is pulled out
Secure control drawer
Defective reed (door) switch
Replace reed (door) switch
P/N: 00557.55
Defective timer assembly
(Cam 7)
Defective pump motor contactor
Replace timer assembly*
P/N: 00408.80
Replace contactor
P/N: 00404.82
Defective pump motor
Replace pump motor
P/N: 00201.00
Pump Motor runs with door
open
Defective reed (door) switch
Replace reed (door) switch
P/N: 00557.55
Defective pump motor contactor
Replace contactor
P/N: 00404.82
Delime switch is on
Turn off delime switch
Motor runs continuously
Delime switch is on
Turn off delime switch
Optional Sustainer Heater
(no heat)
Defective thermostat on heater
Replace heater
P/N: 04109.10
Defective heater relay
Replace heater relay
P/N: 00631.00
Defective timer assembly
(Cam 8)
Defective heater
Replace timer assembly *
P/N: 00408.80
Replace heater
P/N: 04109.10
Defective float switch
Replace float switch
P/N: 13463.00
Float switch not actuated
Fill wash tank completely
Level machine
Optional Sustainer Heater
(never turns off)
Defective thermostat on heater
Replace heater
P/N: 04109.10
Defective timer assembly
(Cam 8)
Defective heater relay
Replace timer assembly *
P/N: 00408.80
Replace heater relay
P/N: 00631.00
*The timer assembly motor (P/N: 00501.00) or micro switches (P/N: 00411.00) can be replaced
independently if that is the only component that has failed.
MODEL L-1X & L-1X16 INSTALLATION & OPERATION MANUAL Rev. 1.16A
Page 12
Maintenance
PROBLEM
LIKELY CAUSE
SOLUTION
Low heat during operation
Low incoming water temperature
Turn up supply water heater
(below 140° F)
Insulate supply water pipe
Thermostat out of adjustment
Adjust thermostat
(Optional) sustainer heater not
installed
Install (optional) sustainer
heater
P/N: 04109.10
Defective sustainer heater
Replace heater
P/N: 04109.10
Low spray arm water flow
Limed up spray arm nozzles
De-lime spray arm nozzles
With power on, activating
start switch does not begin
cycle
Defective fill/start switch (cycle
light will not light either)
P/N: 03470.01
Defective timer assembly
(Cam 1)
P/N: 00408.80
Start switch requires more
than 1-second activation to
run cycle
Defective (Instant Start) ice cube
relay
Activating fill switch does
not fill machine
Defective fill/start switch
Replace fill/start switch
Replace timer assembly*
Replace ice cube relay
P/N: 00631.00
Replace fill/start switch
P/N: 03470.01
Defective water solenoid valve
Replace water solenoid valve
P/N: 03603.10
Fill water won’t shut off
Defective water solenoid valve
Replace water solenoid valve
P/N: 03603.10
Defective fill/start switch
Replace fill/start switch
P/N: 03470.01
Activating drain switch
does not drain machine
Defective timer assembly
(Cam 4)
Replace timer assembly*
P/N: 00408.80
Drain hose is kinked
Un-kink drain hose
Defective drain switch
Replace drain switch
P/N: 03406.64
Detergent pump does not
run
Defective drain valve motor
(Pump will still run)
P/N: 04103.21
Defective detergent pump motor
Replace pump motor
P/N: 00416.00
Defective timer assembly
(Cam 2)
Sani pump does not run
Replace drain valve motor
Defective sani pump motor
Replace timer assembly*
P/N: 00408.80
Replace pump motor
P/N: 00416.00
Defective timer assembly
Replace timer assembly*
(Cam 5)
P/N: 00408.80
*The timer assembly motor (P/N: 00501.00) or micro switches (P/N: 00411.00) can be replaced
independently if that is the only component that has failed.
MODEL L-1X & L-1X16 INSTALLATION & OPERATION MANUAL Rev. 1.16A
Page 13
Maintenance
PROBLEM
LIKELY CAUSE
SOLUTION
Rinse pump does not run
Defective rinse pump motor
Replace pump motor
P/N: 00416.00
Activating detergent primer
switch does not run pump
Defective timer assembly
Replace timer assembly*
(Cam 6)
P/N: 00408.80
Defective sani/detergent primer
switch
Replace primer switch
Defective detergent pump motor
P/N: 03470.00
Replace pump motor
P/N: 00416.00
Activating sani primer
switch does not run pump
Defective sani/detergent primer
switch
P/N: 03470.00
Defective sani pump motor
Replace pump motor
Replace primer switch
P/N: 00416.00
Activating rinse primer
switch does not run pump
Defective rinse primer switch
Replace primer switch
P/N: 03470.00
Defective rinse pump motor
Replace pump motor
P/N: 00416.00
Counter does not
increment
Defective counter
Replace counter
P/N: 03408.50
Defective timer assembly
Replace timer assembly*
(Cam 3)
P/N: 00408.80
Running light does not
light while cycle runs
Defective cycle light
Replace running light (green)
Power light does not light
but machine runs
Defective power light
Wash tank temperature
gauge displays wrong
temperature
Defective temperature gauge
Delime switch does not
activate pump motor
Defective delime switch
P/N: 00476.00
Replace power light (red)
P/N: 00406.00
Replace temperature gauge
P/N: 03202.00
Replace delime switch
P/N: 00475.30
Defective pump motor
Replace pump motor
P/N: 00201.00
*The timer assembly motor (P/N: 00501.00) or micro switches (P/N: 00411.00) can be replaced
independently if that is the only component that has failed.
MODEL L-1X & L-1X16 INSTALLATION & OPERATION MANUAL Rev. 1.16A
Page 14
Addendum
5.Addendum for Machines Installed in the City of Chicago
“All food dispensing establishments using chlorine or other approved chemical sanitizers shall, at all
times, maintain an adequate testing device.”
“Dishes and other eating and drinking utensils to be washed in a dishwashing machine shall be
properly scraped and pre-rinsed and shall be stacked in racks or trays so as to avoid overcrowding,
and so as to permit the wash and rinse waters to reach all surfaces of each utensil.”
“In machine washing, multi-use eating and drinking utensils shall be washed in water containing a
suitable detergent at a temperature of 120° F to 140° F or other method approved by the Department
of Health.”
“The water in the wash tank shall be changed during operation as often as is necessary to keep it
reasonably clean. An effective concentration of detergent in the wash water shall be maintained at
all times.”
“Bactericidal treatment shall consist of exposure of all surfaces of dishes and utensils being washed
to a rinse of clean water, at a temperature of not less than 180° F or other method approved by the
Department of Health.”
“All dishwashing machines shall maintain a flow pressure not less than 15 or more than 25
pounds per square inch on the fresh water line at the machine and not less than 10 pounds per
square inch at the rinse nozzles. A suitable gauge cock shall be provided immediately upstream
from the final rinse sprays to permit checking the flow of the final rinse water. An easily readable
thermometer accurate to a +2° F. shall be provided on both the wash and rinse water lines of the
dishwashing machine which will indicate the temperature of the water solution there in.”
“Dishwashing machines shall be thoroughly cleaned at least once each day. The pumps and the
wash and rinse sprays or jets shall be so designed that a forceful stream of water will reach all
surfaces of the utensils when they are properly racked. These parts shall be thoroughly cleaned at
least once each day. The pumps and the wash and rinse sprays or jets shall be designed that a
forceful stream of water will reach all surfaces of the utensils when they are properly racked. These
pars shall be readily accessible for inspection and cleaning.
“After bactericidal treatment, utensils and containers shall be stored at a sufficient height above the
floor in a clean, dry place, protected from flies, splash, dust, overhead leakage and condensation,
and other contamination. Containers and utensils shall be inverted, covered, or otherwise protected
from contamination until used for serving.”
Drain racks, trays and shelves shall be made of non-corrodible material and shall be kept clean. In
handling containers and utensils the surfaces thereof which come in contact with food or drink shall
not be touched by the hands, except during the process of washing. Tables for clean and dirty
dishes and food shall be so arranged that the dirty dishes will be as far removed from the food and
clean dishes as may be possible.
All single service articles and utensils shall be purchased in sanitary cartons and stored in a clean,
dry place until used, and after removal from the cartons, these articles shall be handled in such a
manner as to prevent contamination.
Please note the following procedures must be followed for City of Chicago Approval:
1. All low energy models must have low level sani-alarms, both visual and audio.
2. All models must have a City of Chicago approval data label affixed to the machine.
3. Chlorine sanitizer must be a minimum of 100 PPM.
MODEL L-1X & L-1X16 INSTALLATION & OPERATION MANUAL Rev. 1.16A
Page 15
Appendix A: Operator & Cleaning Instructions
MODEL L-1X & L-1X16 INSTALLATION & OPERATION MANUAL Rev. 1.16A
Page 16
6. Electrical Diagram (Effective 06/2007)
MODEL L-1X & L-1X16 INSTALLATION & OPERATION MANUAL Rev. 1.16A
Page 17
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