How do I fix error code nE on my LG LDT7797BB?

1. undefined: Check and reconnect the wire 2. undefined: Reassemble vario switch if not assembled properly 3. undefined: Check vario motor resistance (4 kohms +/- 5%); replace vario motor if out of range 4. undefined: Check voltage at RL3 pin4 to NA4 pin2 (should be 120V AC +/- 15%) 5. undefined: Replace main PCB assembly if all checks pass

LG LDT7797BBDishwasher

Error Code nE

Q: What does error code nE mean on a LG LDT7797BB?

Vario Error - position of vario cam not detected properly Wiring connection issue; Vario switch not assembled properly; Vario motor not operating properly (resistance should be 4 kohms +/- 5%)

Vario Error - position of vario cam not detected properly

Moderate

Address soon - your appliance may not work properly

What This Means

Wiring connection issue; Vario switch not assembled properly; Vario motor not operating properly (resistance should be 4 kohms +/- 5%)

How to Fix

1
Check and reconnect the wire
2
Reassemble vario switch if not assembled properly
3
Check vario motor resistance (4 kohms +/- 5%); replace vario motor if out of range
4
Check voltage at RL3 pin4 to NA4 pin2 (should be 120V AC +/- 15%)
5
Replace main PCB assembly if all checks pass

Other Error Codes for LDT7797BB

EEPROM failure (displayed during test mode - Start pressed 1 time after entering test mode)

Bubble Error - oversudsing detected

Thermal Error - thermistor resistance output abnormal

Heater Error - water not heated or tub overheated above 194 degrees F

Drain Error - unit does not reach normal drain level

Leakage Error - internal leakage detected

Excess Error - water fills above normal level (drain pump operates automatically)

Inlet Error - unit does not reach normal water level

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