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Defrost starts
Defrost Thermistor senses
Drain
“dF” display delay ends
Compressor
ON
OFF
60 min
Defrost Heater
ON
OFF
Temp Display
Window
Cabinet temp “dF” “E3” / ”dF” “E3” / cabinet temp
Flashing “E3”
[f] ABNORMAL PRESSURE (E4)
When the Clog Thermistor senses a temperature above 70°C (RTE series) or 65°C (FTE series), the refrigerator/freezer will detect an abnormal pressure to stop the Compressor for 5 minutes. At the first detection, the Pressure Alert Timer will start counting down from
60 minutes.
The Compressor will restart after the 5 minute interruption, if the Clog Thermistor senses a temperature below 60°C (RTE series) or 55°C (FTE series). The Compressor will not restart until the above conditions are satisfied. If an abnormal pressure is still detected, the
Compressor will stop again.
If an abnormal pressure is detected five times before the Timer counts down to zero, “E4” will be displayed. If the Timer has already counted down by then, “E4” will not be displayed.
This function is available even during a defrost cycle.
The “E4” display will not reset until the power supply is turned off.
The cause may be:
1) The Condenser Fan Motor is locked or defective.
2) The Condenser Filter is clogged with dirt or dust.
Clog Thermistor
*RTE(FTE)
*70°C
(65°C)
*60°C
(55°C)
5
60 min min
60 min min
Compressor
ON
OFF
Temp Display
Window
Cabinet temp
22
Flashing “E4”
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Related manuals
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Table of contents
- 4 I. GENERAL INFORMATION
- 4 1. SAFETY INSTRUCTIONS
- 6 2. DIMENSIONS/SPECIFICATIONS
- 6 [a] RTE-120SNA
- 7 [b] RTE-150SNA
- 8 [c] RTE-180SNA
- 9 [d] RTE-120SDA-GN
- 10 [e] RTE-170SDA-GN
- 11 [f] FTE-120SNA
- 12 [g] FTE-150SNA
- 13 [h] FTE-180SNA
- 14 [i] FTE-120SDA-GN
- 15 [j] FTE-170SDA-GN
- 16 II. TECHNICAL INFORMATION
- 16 1. WIRING DIAGRAM
- 16 [a] RTE SERIES
- 17 [b] FTE SERIES
- 18 2. REFRIGERATION CIRCUIT
- 19 3. ELECTRONIC CONTROLS
- 19 [a] SET POINT TEMPERATURE
- 19 [b] CABINET TEMPERATURE DIFFERENTIAL
- 19 [c] DEFROST CYCLE
- 19 [d] DEFROST COMPLETION TEMPERATURE
- 19 [e] CLOGGED CONDENSER DETECTION TEMPERATURE
- 19 [f] TEMPERATURE DISPLAY CYCLE
- 20 [g] COMPRESSOR SOFT START
- 20 [h] CABINET TEMPERATURE AND TEMPERATURE DISPLAY
- 21 [i] RESOLUTION
- 21 [j] SET POINT TEMPERATURE AND CABINET TEMPERATURE
- 21 [k] CHECKING AND ADJUSTING SET POINT TEMPERATURE
- 22 [l] MANUAL DEFROST
- 22 [m] CANCELLING SOFT START
- 22 4. ERROR CODES
- 22 [a] EEPROM WRITE ERROR (EA)
- 23 [b] EEPROM VERIFY ERROR (ED)
- 23 [c] CABINET TEMPERATURE TOO HIGH (E1)
- 24 [d] CABINET TEMPERATURE TOO LOW (E2)
- 24 [e] DEFROST CYCLE TOO LONG (E3)
- 25 [f] ABNORMAL PRESSURE (E4)
- 26 [g] CONDENSER CLOGGED (E7)
- 26 [h] DEFROST THERMISTOR DEFECTIVE (E8)
- 27 [i] CLOG THERMISTOR DEFECTIVE (E9)
- 27 5. ENERGY SAVING CONTROL
- 27 [a] STANDARD MODE
- 28 [b] ENERGY SAVING MODE
- 28 [c] CABINET TEMPERATURE CORRECTION
- 29 6. TIMING CHART
- 29 [a] STANDARD MODE (RTE series)
- 30 [b] ENERGY SAVING MODE (RTE series)
- 31 [c] STANDARD MODE (FTE series)
- 32 [d] ENERGY SAVING MODE (FTE series)
- 32 [e] FORCED STARTUP (CANCELING SOFT START)
- 33 III. SERVICE DIAGNOSIS
- 33 1. FLOWCHART
- 34 2. SERVICE DIAGNOSIS
- 36 3. CONTROLLER BOARD
- 36 [a] SERVICING CONTROLLER BOARD
- 37 [b] CHECKING THERMISTOR
- 39 IV. REMOVAL AND REPLACEMENT OF COMPONENTS
- 39 1. REFRIGERATION UNIT
- 40 2. REFRIGERATION CIRCUIT
- 40 [a] REFRIGERANT
- 40 [b] COMPRESSOR
- 40 [c] EVAPORATOR AND DEFROST HEATER
- 42 [d] CONDENSER
- 42 3. CONTROL BOX
- 42 4. FAN MOTORS
- 42 [a] CONDENSER FAN MOTOR
- 43 [b] INTERIOR FAN MOTOR
- 43 5. THERMISTORS
- 43 [a] INTERIOR THERMISTOR
- 43 [b] DEFROST THERMISTOR
- 44 [c] CLOG THERMISTOR
- 44 6. DOOR GASKET
- 44 [a] REMOVAL
- 44 [b] REPLACEMENT