ELECTRONIC CONTROLLER INSTRUCTION

No

Control Function

Control Objects

 

Contents

Remark

 

 

 

 

 

12

Fuzzy

Heater

The Defrost step will be started at following conditions.

 

 

Deforst

Compressor

1.

The compressor has run for 30 minutes.

 

 

 

Evap-Fan Motor

2.

There is no openning the door for 30 minutes.

 

 

 

Con-Fan Motor

3.

The temperature of D-sensor is lower than 5˚F.

 

 

 

 

4.

The temperature of F-sensor is higher than D-senser's temperature

 

 

 

 

 

by 53.6˚F for 10 minutes.

 

 

 

 

 

 

 

5-3. Self - Diagnosis table

Code

Content

Perception Method

Freezer operation state

F1

F-sensor

- Sensor shorted

- The compressor runs for 30 minutes and rests for 5 minutes.

 

Malfunction

- Sensor disconnected

- Above action will repeat, until it is repaired.

 

 

 

 

D1

D-sensor

- Sensor shorted

- Defrost heater will attempt to defrost.

 

Malfunction

- Sensor disconnected

- If F-sensor temp. is higher than 28.4˚F then heater goes off.

 

 

 

- Heater turns on for 20 minutes, if F-sensor is in error mode

 

 

 

too.

 

 

 

 

C1

Cycle, Comp.

- When the temperature of the

- Normal operation.

 

Malfunction

D-sensor is over 32˚F

(Compressor is automatically turned on and off by F-sensor.)

 

 

although the compressor has

 

 

 

been running for 30 minutes.

 

 

 

 

 

F3

Defrost

When the D-sensor temperature

- Defrost heater will be come on for 40 minutes

 

Malfunction

doesn't reach 47˚F

every time setted.

 

 

within 40 minutes.

- If the D-sensor's temp. reach 47˚F within 40 minutes, D-

 

 

 

heater will be turned off immediately.

 

 

 

 

5-4. Sensor Description

Sensor

Operation

Description

Remarks

F-sensor

-Thermistor(Electrical resistance varies with temperature changing)

- Wire color is orange.

 

 

-Act like thermostat. Detects air temperature.

 

 

 

 

 

 

D-sensor

-Thermistor(Electrical resistance varies with temperature changing)

- Wire color is blue.

 

 

-Act like thermostat. Detects Evap. coil's temperature.

 

 

 

 

 

 

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Turbo Air TGM-22R, TGM-5R, TGM-48R, TGM-11RV, TGM-14R, TGM-69R, TGM-45R, TGM-35R, TGM-33R, TGF-49F, TGF-23F Self Diagnosis table

TGM-22RV, TGF-13F, TGF-23F, TGM-14RV, TGF-49F specifications

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