Diplomat ADP 8224

[cornwell40]

This one isn’t heating.
Checked the usual loom, heater etc., on this model as far as I’m aware there isn’t a reset stat (unless it’s very well hidden).
The board looks ok as I’ve had these before where the relay goes down but in the past there was visible distortion to the casing.
Any other ideas??

Tony C

[Dave_Conway]

Re: Diplomat ADP 8224

Is it finishing the cycle and no error codes displayed Tony ?

Possibly the thermistor in the door ?

Dave.

[cornwell40]

Re: Diplomat ADP 8224

cHECKED THE THERMISTOR. CAN’T REMEMBER THE READINGS 😳 Sorry I’ll stop shouting 🙁
but with my meter across the terminals and a heat applied the resistance was dropping.

Tony C

[Dave_Conway]

Re: Diplomat ADP 8224

Is it completing the cycle though with no error codes ? 😉

Dave.

[cornwell40]

Re: Diplomat ADP 8224

Pretty sure she mentioned F5.

Tony C

[Dave_Conway]

Re: Diplomat ADP 8224

If it was E5 it’s a no fill error.

I think this one needs to go a full cycle (if it gets that far) and see exactly what’s happening as far as the PCB goes before condenming it.

I can’t tell if the stat by the heater is a manual reset type or not but it’s a 4 tag and both contacts (according to the wiring diagram) ahould be NC.

Dave.

[cornwell40]

Re: Diplomat ADP 8224

Sorry fault was E3 😥
The stat by the heater was linked out for a test but still no heat.

Tony C

[Dave_Conway]

Re: Diplomat ADP 8224

Temperature 22°C 45°C 54°C 55°C 60°C 65°C 68°C 90°C
Resistance 8.9KΩ 5.7KΩ 4.4KΩ 4.7KΩ 3.5KΩ 3.1KΩ 2.7KΩ 2.0KΩ

Look what I found 😀

If that isn’t it then it can only be the PCB I guess 🙁

Dave.

[eastlmark]

Re: Diplomat ADP 8224

the relay contacts often burn out, the very sharp of hearing may even here the click when the relay energises if not Check for minute dry joints on the LOW voltage side of the relay.

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