Indesit WM 12x (UK) - Selector knob clicks continuously
From Cookipedia
Faulty Indesit WM12X Automatic washing machine
Diagnostic codes and probable cause for a continuously clicking selector knob. Faulty Indesit WM 12x (UK) washing machine.
Fault description
- Rinses OK
- Spins OK
- Begin wash-cycle and program selector knob turns continuously
- LED fault status: 7 flashes (whilst knob rotating)
Cause of problem
- Dry joints on heater relay (main control board)
- Heater relay can be easily identified from the other 3 relays as it connects directly to the high-current heater connectors on the control pcb.
List of LED diagnostic codes
- Short circuit triac
- Main motor fault
- Thermostat fault (ntc)
- Pressure switch reads full (p switch)
- Pressure switch reads empty (p switch)
- Program selector switch error
- Heater relay problem
- Heater relay problem
- Eprom error
- Pressure switch error
- Waste pump inactive
Similar models
This information is also probably relevant to Ariston, Hotpoint & Creda washing machines that use the same firmware.
Warning
Do not attempt to repair this yourself unless you are qualified, but pass this information on to the repair engineer.