| Error Code | Issue | Quick Fix & Detailed Steps |
|---|---|---|
| E1 | Water Inlet Issue |
Resolve Water Supply Blockage
1. Turn off main water valve
2. Disconnect inlet hose
3. Clean inlet valve screen with soft brush
4. Check hose for kinks or damage
5. Ensure water pressure is 20-120 PSI
6. Reconnect and test water flow
|
| E2 | Drainage Problem |
Clear Drainage System
1. Unplug dishwasher
2. Disconnect drain hose
3. Use plumber’s snake or wire to clear blockage
4. Check hose for cracks or permanent bends
5. Clean drain pump filter
6. Ensure drain height is under 4 feet
|
| E3 | Temperature Malfunction |
Diagnose Heating System
1. Check incoming water temperature
2. Test heating element with multimeter
3. Verify thermostat resistance
4. Inspect wiring connections
5. Look for visible heating element damage
6. Replace faulty components if needed
|
| E4 | Overflow Detection |
Inspect Water Level Control
1. Check water level float switch
2. Clean float mechanism
3. Verify float moves freely
4. Inspect hoses for leaks
5. Test water level sensor electrical connections
6. Replace sensor if mechanical damage found
|
| E5 | Door Latch Failure |
Repair Door Closure Mechanism
1. Clean door seal thoroughly
2. Check seal for tears or deformation
3. Lubricate latch mechanism
4. Align door striker plate
5. Verify latch engages smoothly
6. Adjust door hinges if misaligned
|
| E6 | Communication Error |
Reset Control System
1. Unplug dishwasher for 5 minutes
2. Check control board ribbon cables
3. Inspect for visible board damage
4. Test control panel button connections
5. Look for loose wiring
6. Consider professional board diagnostic
|
| E7 | Motor Malfunction |
Diagnose Wash Motor
1. Listen for unusual motor sounds
2. Check motor shaft rotation
3. Test motor electrical resistance
4. Inspect motor mounting
5. Look for bearing wear signs
6. Check wiring harness integrity
|
| E8 | Heater Relay Issue |
Evaluate Heating Circuit
1. Test relay switch functionality
2. Check relay coil resistance
3. Inspect for burn marks
4. Verify wire connection integrity
5. Look for corrosion signs
6. Replace relay if electrical tests fail
|
| E9 | Control Panel Failure |
Troubleshoot Control Interface
1. Perform factory reset
2. Check control panel ribbon cable
3. Test individual button functionality
4. Inspect for physical damage
5. Verify display connection
6. Consider professional panel replacement
|