f9
Moderate
LG · Dishwashers
Diverter or water level error - the diverter valve or water level detection system has malfunctioned
Quick Answer
Error code F9 on your LG Dishwashers means: Diverter or water level error - the diverter valve or water level detection system has malfunctioned. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Turn off the dishwasher and disconnect power
2
Check for any foreign objects near the diverter valve area
3
Inspect the diverter valve for proper operation
4
Verify wiring connections to the diverter valve and water level sensor
5
Test the diverter motor with a multimeter
6
If components are faulty, replace the diverter motor or sensor as needed
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Diverter motor
Water level sensor
Wiring harness
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