Hotpoint WD440G F13 further diagnostic help

Hi All,

First time poster as I’m trying to resolve an issue with my Hotpoint WD440G washer dryer.

I have been googling including searches for Indisit and other Hotpoint machines. I have posting questions on another forum (DIYnot) and I’m hoping for some additional advice.

Currently, lights 1, 2 & 4 (plus on/off) appearing on the front display.

Background, after the other half ran a short wash cycle with some stain remover (without a drying program) and there were ‘loads’ of dense suds visible in the drum before the lights started flashing.

At this time I have done the following:-

Emptied the filter under the lower heater and cleaned out a few bits of rubbish (a screw, a underwire from a bra…)

Replaced the thermistor (even though the resistance reading was 25k Ohms)

Taken visual checks of all wiring and connectors, where possible checked continuity with a multimeter

The reading on the heater element is 47 Ohms

The heater at the bottom of the drum reads 32 Ohms

I’ve opened the lower section of the heater and there was a little bit of dirt mildew build-up on the filter, so I have cleaned it.

I have checked that the heater fan is attached properly to the motor spindle and the motor spins freely

The lower pump functions as the drum empties when the F13 error is reported

Removed the lower PCB and visually checked for possible failed components (such as C17)

Wash programs that don’t have heat (Short Wash) still causes the heater box to get VERY hot (too hot to touch) and approx two mins after the drum has filled with water, the thermal wire on top of the heater box causes the F13 error, the heater fan starts to spin and drum drains.

Is there anything else I can check?

Is it time for an engineer visit and possible PCB replacement. This is my second PCB (previously replaced by Hotpoint) the machine is ~5 years old.

Or should I blow my savings and buy a Miele

Many thanks for your time.