4. Troubleshooting
4-7
Error type
Error mode
Checking Method
Corrective actions
Heater error
HE1
1. Check the operation of the Thermistor.
- See the “tE1 Error”.
2. Check the Heater Relay.
- See the “HE Error”.
Water leakage
error
LE
Check whether there is any trace of water leakage in the shutter.
Normal: No water leakage trace
➢
- Faulty: Check the leakage location. Replace the faulty part.
- Nomral: Replace the Main PBA assy.
Half load error
PE
1. Check the connections for the Distributor Motor connectors.
- Reconnect the Distributor Motor connectors.
2. Check whether the coil in Distributor Motor is conductive.
: Remove the connectors before measuring.
Normal: Approx. 2.6 kΩ
➢
- Faulty: Replace the Distributor Motor.
3. Check whether half load is operating normally.
- Check the half load operation
Normal: 120V
➢
- Check the the operation of Distributor Motor Relay.
: Check the operating voltage between the white wire of the
Main PBA CN1 connector and the violet wire of the CN14
connector.
Normal: 120V (while operating)
➢
New PBA
3-1.Check whether half load is operating normally.
- Check the half load operation
Normal: 120V
➢
- Check the the operation of Distributor Motor Relay.
: Check the operating voltage between the white wire of the
Main PBA CN101 connector and the violet wire of the CN201
connector.
Normal: 120V (while operating)
➢
- Faulty: Replace the Main PBA assy.
4. Check the Power Relay.
- See the “Power Relay error”.
New PBA
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 ...