Thetford NR740 Instrukcja Użytkownika Pobierz pdf (Strona 5)

Refrigerator Service Manual

DC0040(K), DC0051(K), DE0040, DE0051, DE0240T, DE0251T,

DC0740(X), DE0740(X), DC0751(X), DE0751(X) Models

Troubleshooting - Procedure C

Power Supply Output Voltage

Change DC

Power Supply

Change DC

Power Supply

Change DC

Power Supply

Change DC

Power Supply

Change DC

Power Supply

Change DC

Power Supply

DC Power

Supply Failure

DC Power

Supply Failure

DC Power

Supply Failure

DC Power

Supply Failure

Check AC Power

Supply.

(37 - 45V DC)

(See Figure 5)

Check AC Power

Supply.

(37 - 45V DC)

(See Figure 5)

Power

Source

Less than

15V AC

15 - 25V

Measure Voltage

Between A & B

At the Compressor

(See Figure 4)

Go to

Procedure E

Change

Thermistor

Normal

See

Procedure D

0V AC

OPERATION

GOOD

BAD

GOOD

THERMISTOR

F AU L T Y

THERMISTOR

Note: Measurements taken with 12.8V DC or 120V AC power supply.

ART01948

ART01949

Figure 4. Measuring Power Supply Output Voltage

ART01950

Figure 5. Measuring AC Power Supply Output

Power Supply Output Voltage

1 2 3 4 5 6 7 8 9 10 11 12

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