How do I fix error code F31 on my LG LDPH7972W?

1. undefined: Reconnect wire of Fan Module and Main PCB 2. undefined: If Fan Module still does not operate with proper wire connection, replace Heat Dry Module (SVC Loc No: M280) 3. undefined: Check Main PCB voltage to Fan Module — should be DC 12V; if not, replace Main PCB

LG LDPH7972WDishwasher

Error Code F31

Q: What does error code F31 mean on a LG LDPH7972W?

HEAT AIR DRY FAN MOTOR ERROR Wiring connection faulty (Fan Motor and Controller); Heat air dry fan impeller locked; Main PCB (Controller) damaged

HEAT AIR DRY FAN MOTOR ERROR

Moderate

Address soon - your appliance may not work properly

Also displayed as: F31

What This Means

Wiring connection faulty (Fan Motor and Controller); Heat air dry fan impeller locked; Main PCB (Controller) damaged

How to Fix

1
Reconnect wire of Fan Module and Main PCB
2
If Fan Module still does not operate with proper wire connection, replace Heat Dry Module (SVC Loc No: M280)
3
Check Main PCB voltage to Fan Module — should be DC 12V; if not, replace Main PCB

Other Error Codes for LDPH7972W

EXCESS ERROR

DRAIN ERROR

BUBBLE ERROR

THERMAL ERROR

VARIO ERROR

F35

HEAT AIR TEMPERATURE SENSOR ERROR

LEAKAGE ERROR

INLET ERROR

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