4. Troubleshooting
4-5
Error type
Error mode
Checking Method
Corrective actions
Low Level error
9E
1. Check the connections for the Low Level Sensor
connectors.
- Reconnect the Low Level Sensor connectors.
2. Check the operation of the Low Level Sensor.
Use service inspection mode t6.
➢
Check for foreign material in the floater of the
➢
Low Level Sensor.
- Check the voltage between both ends (pink
and brown wires) of the Micro Switch.
When operating normally after water is
➢
supplied:
< 0.5V (Micro Switch On)
- Check only the Micro Switch.(Remove the
connectors before checking.)
Lift the lever: Short
➢
Lower the lever: Open
➢
- Faulty: Replace the Low Level Sensor, Remove foreign material from the
floater
- Normal: Replace the Main PBA assy.
Button error
bE2
Check whether there is condensation on the Main
PBA connectors.
- CN9 and CN10 for DMR77 model
- CN10 for DMR57 model
Normal: No condensation
➢
New PBA
Check whether there is condensation on the Main
PBA connectors.
- CN801 and CN803 for DMR78/77 model
- CN801 for DMR57 model
Normal: No condensation
➢
- Faulty: Remove any condensation and moisture.
- Normal: Replace the Control Panel assy.
All manuals and user guides at all-guides.com
Summary of Contents for DMR78 series
Page 14: ...2 6 2 Features and Specifications Memo All manuals and user guides at all guides com...
Page 38: ...3 24 3 Disassembly and Reassembly Memo All manuals and user guides at all guides com...
Page 59: ...4 Troubleshooting 4 21 Memo All manuals and user guides at all guides com...
Page 85: ...5 26 5 Exploded Views and Parts List All manuals and user guides at all guides com...
Page 95: ...6 10 6 PCB Diagram Memo All manuals and user guides at all guides com...
Page 103: ...8 5 8 Schematic Diagram Memo All manuals and user guides at all guides com...
