4. Troubleshooting
4-18
Error type
Error mode
Checking Method
Corrective actions
The cycle does
not start.
None
1. Check the connections for the Door Sensing Switch
: Check the blue wire and the switch connected to the blue
wire.
Normal: 4.5 to 5.5V (when the door is open)
➢
Normal: < 1V (when the door is closed)
➢
New PBA
1. Check the connections for the Door Sensing Switch
: Check the blue wire and the switch connected to the blue
wire.
Normal: 9.5 to 13.0V (when the door is open)
➢
Normal: < 1V (when the door is closed)
➢
- Reconnect the Door Sensing Switch connector.
2. Check the operation of the Door Sensing Switch.
(Remove the connector before measuring.)
: Check the blue wire and the switch connected to the blue
wire.
Normal: OPEN (when the door is open)
➢
Normal: SHORT (when the door is closed)
➢
- Faulty: Replace the Door Sensing Switch.
- Normal: Replace the Main PBA assy.
Main PBA
DC voltage error
None
Check the DC voltage of the Main PBA.
- Measure the voltage between pin 6 (amber) of the
main PBA CN7 connector and pin 7 (pink) of the CN7
connector.
Normal: 4.5V to 5.5V
➢
- Measure the voltage between pin 6 (amber) of the
main PBA CN7 connector and pin 9 (white) of the CN7
connector.
Normal: 10.5V to 13.0V
➢
New PBA
Check the DC voltage of the Main PBA.
- Measure the voltage between pin 6 (amber) of the main
PBA CN302 connector and pin 7 (pink) of the CN302
connector.
Normal: 4.5V to 5.5V
➢
- Measure the voltage between pin 6 (amber) of the main
PBA CN302 connector and pin 9 (white) of the CN302
connector.
Normal: 9.5V to 13.0V
➢
- Faulty: Replace the Main PBA assy.
Summary of Contents for DMR57 Series
Page 14: ...2 6 2 Features and Specifications Memo ...
Page 38: ...3 24 3 Disassembly and Reassembly Memo ...
Page 59: ...4 Troubleshooting 4 21 Memo ...
Page 73: ...5 14 5 Exploded Views and Parts List 5 7 MAIN DMR57 0 1 D049 Z019 P143 ...
Page 85: ...5 26 5 Exploded Views and Parts List ...
Page 95: ...6 10 6 PCB Diagram Memo ...
Page 103: ...8 5 8 Schematic Diagram Memo ...
Page 104: ...9 1 9 Reference 9 Reference 9 1 Model Number Naming Rules 8 2008 A ALL ...