SR-3
Smart Reefer 3
Microprocessor
Driver Guide to
Simple
Operation
TK 55072-2-PC (Rev. 0, 04/11)
©Thermo King Corporation
Simple to Start:
3
1
4
1. Press the ON Key.
2. A series of start-up screens will
appear.
3. The Standard Display appears
showing setpoint and box
temperature when the unit is
running.
4. The Standard Display defaults to the “Temperature Watch” screen after
2 1/2 minutes. This screen displays same setpoint and box temperature in
larger font.
NOTE: For more detailed information, see the Operation chapter in
the appropriate unit operating manual.
Simple to Set:
CYCLE-SENTRY or Continuous Run
1
2&6
5
1. Return to the Standard
Display.
2. Press the MODE
SELECTION Key.
5
3. The “Programming
Continuous Mode” or
“Programming CYCLESENTRY Mode” screen briefly
appears.
4. The “New System Mode is
Continuous” screen or the
“New System Mode CYCLESENTRY” screen briefly
appears.
5. The Standard Display appears and the heading on top of screen reads
the new mode.
6. Pressing the MODE SELECTION Key again will change the unit back to
the previous mode.
NOTE: For more detailed information, see the Operation chapter in
the appropriate unit operating manual.
Simple to Set:
Setpoint Temperature
1
2
1. Return to the Standard
Display.
2. Press the SETPOINT Key
on the Standard Display.
3. Press the + or - Keys to
change the setpoint reading.
3
4. Press the YES or NO key
accordingly.
5. The Standard Display
appears with setpoint changed
5 to the new setpoint.
4
NOTE: For more detailed
information, see the
Operation chapter in the
appropriate unit operating
manual.
Simple to Check:
Gauges
1
2
1. Return to the Standard
Display.
2. Press the GAUGES Key.
3. Press BACK or NEXT
Keys to scroll through
following gauges: Coolant
Temperature, Coolant Level,
Engine Oil, Pressure, Amps, Battery Voltage, Engine RPM, Discharge
Pressure, Suction Pressure, ETV Position, I/O. If no keys are pressed
within 30 seconds, the screen will return to the Standard Display.
5
4
3
3
4. Press the LOCK Key to display any gauge screen for an indefinite
period. Press the key again to unlock the screen.
5. Press the EXIT Key to return to the Standard Display.
NOTE: For more detailed information, see the Operation chapter in
the appropriate unit operating manual.
Simple to Defrost:
Initiate Manual Defrost
1
2
1. Return to the Standard
Display.
2. Press the DEFROST Key.
4
3
3. Miscellaneous defrost
programming screens appear.
4. A modified Standard Display
screen appears. The bar
indicator will fill in showing the
time remaining to complete the
Defrost cycle. When the
Defrost cycle is complete the
display returns to Standard
Display screen.
NOTE: For more detailed information, see the Operation chapter in
the appropriate unit operating manual.
Simple to Access:
Sensors
1
2
1. Return to the Standard
Display.
2. Press the SENSORS Key.
3. Press the BACK or NEXT
Keys to scroll through the
following sensor screens:
Control Return Air
Temperature, Display Return
Air Temperature, Control Discharge Air Temperature, Display Discharge
Air Temperature, Temperature Differential, Evaporator Coil Temperature,
Ambient Air Temperature, Spare 1 Temperature, Datalogger Temperature
Sensors 1-6 and the Board Temperature Sensor. If no keys are pressed
within 30 seconds, the screen will return to the Standard Display.
4. Press the LOCK Key to display any sensor screen for an indefinite
period. Press the key again to unlock the screen.
5. Press the EXIT Key to return to the Standard Display.
NOTE: For more detailed information, see the Operation chapter in
the appropriate unit operating manual.
5
4
3
3
Simple to Check:
Pretrip Test
2
3
1. Clear all alarm codes.
2. Return to the Standard
Display.
3. Press the MENU key.
4. Press the NEXT Key as
required to show the Pretrip
Menu.
4
5
5. Press the SELECT Key to
start a Pretrip Test.
6. If the unit is not running, a Full
Pretrip will be initiated. If the unit
is running in either diesel or
electric mode, a Running Pretrip
will be performed.
7
7. When all tests are complete, the results are reported as PASS, CHECK or
FAIL. If the results are CHECK or FAIL, the accompanying alarm codes will
direct the technician to the cause of the problem.
NOTE: For more detailed information, see the Operation chapter in the
appropriate unit operating manual.
Simple to Check:
Hourmeters
1
2
1. Return to the Standard Display
screen.
2. Press the MENU Key.
4
3&5
3&5
3. Scroll through Main Menu by
repeatedly pressing the NEXT and
BACK Keys until the hourmeters
Main Menu Screen appears.
4. Press the SELECT Key to enter the Hourmeters Menu.
5. Press the NEXT and BACK Keys to view the Hourmeter Displays.
NOTE: For more detailed information, see the Operation chapter in the
appropriate unit operating manual.
Simple to View:
Cause of Alarm
1
2
1. Return to the Standard
Display Screen.
2. Press the MENU Key.
3. Press the NEXT Key until
the Alarm Menu appears.
4
3
4. Press the SELECT Key.
The Alarm Display will appear
5. If no alarms are present,
Alarm 00 is shown.
6. Press the EXIT Key to return
to the Standard Display.
6
5
7. If alarms are present, the
quantity of alarms and the
most recent alarm code
number will be shown.
7
8. If there is more than one
alarm, press the NEXT Key to
view each alarm.
9. If a serious alarm occurs,
the unit will be shut down to prevent damage to the unit or the load. If this
occurs, the display will show that the unit is shut down and display the
alarm code that caused the shutdown.
NOTE: For more detailed information, see the Operation chapter in the
appropriate unit operating manual.
Simple to View:
Clearing Alarm Codes
1.Press the CLEAR Key to
clear an alarm.
2. The display screen will
return to the Standard Display
when the alarms are cleared.
1
3
2
3. Press the HELP key for
additional information
regarding the alarm shown on
the display. Also see the
complete Alarm Code list in the
next column.
NOTE: For more detailed
information, see the
Operation chapter in the
appropriate unit operating
manual.
Simple to Determine:
Cause of Alarm
0
2
3
4
5
6
7
9
10
11
12
13
15
17
18
19
20
21
22
23
24
25
26
28
29
30
31
32
33
35
36
37
38
39
40
41
42
43
44
45
46
48
50
52
54
61
62
63
64
65
66
67
68
70
74
77
79
80
81
82
83
84
85
86
87
No Alarms Exist
Evaporator Coil Sensor
Control Return Air Sensor
Control Discharge Air Sensor
Ambient Air Sensor
Coolant Temp Sensor
Engine RPM Sensor
High Evaporator Temperature
High Discharge Pressure
Unit Controlling on Alternate Sensor
Sensor or Digital Input Shutdown
Sensor Check
Check Glow Plugs/Intake Air Heater
Engine Failed to Crank
High Engine Coolant Temperature
Low Engine Oil Pressure
Engine Failed to Start
Cooling Cycle Check
Heating Cycle Check
Cooling Cycle Fault
Heating Cycle Fault
Alternator Check
Refrigeration Capacity
Pretrip or Self Check Abort
Defrost Damper Circuit
Defrost Damper Stuck
Oil Pressure Switch
Refrigeration Capacity Low
Check Engine RPM
Run Relay Circuit
Electric Motor Failed to Run
Engine Coolant Level
Electric Phase Reversed
Water Valve Circuit
High Speed Circuit
Check Engine Coolant Temperature
Unit Forced to Low Speed
Unit Forced to Low Speed Modulation
Check Fuel System
Hot Gas Bypass or Hot Gas Bypass Circuit
Check Air Flow
Check Belts/Clutch
Reset Clock
Heat Circuit
Test Mode Time-out
Low Battery Voltage
Ammeter Out of Calibration
Engine Stopped
Pretrip Reminder
Abnormal Temperature Differential
Low Engine Oil Level
Liquid Line Solenoid Circuit
Internal Controller Fault
Hourmeter Failure
Controller Reset to Defaults
Controller EPROM Checksum Failure
Internal Data Logger Overflow
Compressor Temp Sensor
High Compressor Temp
High Compressor Temperature Shutdown
Low Engine Coolant Temperature
Restart Null
Forced Unit Operation
Discharge Pressure Sensor
Suction Pressure Sensor
89
90
91
92
93
94
95
96
98
99
108
111
113
114
117
118
120
121
122
127
128
129
130
131
132
133
134
135
136
137
141
145
146
148
149
150
151
157
203
204
252
Check Electronic Throttling Valve Circuit
Electric Overload
Electric Ready Input
Sensor Grades Not Set
Low Compressor Suction Pressure
Loader #1 Circuit
Loader #2 Circuit
Low Fuel Level
Fuel Level Sensor
High Compressor Pressure Ratio
Door Open Time-out
Unit Not Configured Correctly
Electric Heat Circuit
Multiple Alarms - Cannot Run
Auto switch from Diesel to Electric
Auto switch from Electric to Diesel
Alternator Exciter Circuit
Liquid Injection Circuit
Diesel/Electric Relay Circuit
Setpoint Not Entered
Engine Run Time Maintenance Reminder #1
Engine Run Time Maintenance Reminder #2
Electric Run Time Maintenance Reminder #1
Electric Run Time Maintenance Reminder #2
Total Unit Run Time Maintenance Reminder #1
Total Unit Run Time Maintenance Reminder #2
Controller Power On Hours
Check Spare Digital Inputs
Check Spare Digital Outputs
Check Damper Motor Heater Output
Autoswitch Diesel to Electric Disabled
Loss of Controller "On" Feedback Signal
Software Version Mismatch
Autoswitch Electric to Diesel Disabled
Alarm Not Identified
Out of Range Low
Out of Range High
OptiSet Plus Mismatch
Display Return Air Sensor
Display Discharge Air Sensor
Check Fresh Air Exchange Circuit
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