Troubleshooting - Procedure C; Power Supply Output Voltage - Norcold DC0040 Service Manual

Troubleshooting - Procedure C

Power Supply Output Voltage

Less than
15V AC
Measure Voltage
Between A & B
At the Compressor
(See Figure 4)
15 - 25V
Note: Measurements taken with 12.8V DC or 120V AC power supply.
Figure 4. Measuring Power Supply Output Voltage
Refrigerator Service Manual
Power Supply Output Voltage
DC
OPERATION
AC
OPERATION
Go to
GOOD
0V AC
Procedure E
THERMISTOR
FAULTY
THERMISTOR
Change
Thermistor
AC
A
B
Check AC Power
Supply.
(37 - 45V DC)
GOOD
(See Figure 5)
BAD
Power
Source
DC
AC
Check AC Power
Supply.
(37 - 45V DC)
GOOD
(See Figure 5)
BAD
Figure 5. Measuring AC Power Supply Output
DC0040(K), DC0051(K), DE0040, DE0051, DE0240T, DE0251T,
DC0740(X), DE0740(X), DC0751(X), DE0751(X) Models
DC Power Change DC
Supply Failure Power Supply
Change DC
DC Power
Power Supply
Supply Failure
Change DC
Power Supply
DC Power Change DC
Supply Failure Power Supply
DC Power Change DC
Power Supply
Supply Failure
Change DC
Power Supply
See
Normal
Procedure D
5