Grundig GTN38240GCW Heat Pump Tumble Dryer Condenser Lift Pump Is Continuously On When Turned On At Mains

I will try and help with this problem about Grundig GTN38240GCW Heat Pump Tumble Dryer,

Hi James,

Thanks very much for your question about your Grundig heat pump tumble dryer. You mentioned that the pump failed and has been replaced, and that the float switch is working correctly. One thing you haven't told me is whether you've checked if the float that activates the float switch is in the correct position. The switch should not be activated when there is no water in the chamber. If it’s a polystyrene float, it should be at the bottom when reassembled. It’s possible it got jammed during assembly.

I found some information on your model, GTN38240GCW, which is made by Beko. I have test procedures and a wiring diagram for your machine to help with the repair. The pump should only run at certain points during the cycle, usually activated by the circuit board. Check all the wiring from the pump unit to the circuit board to ensure everything is attached correctly and make sure you haven’t accidentally wired the pump incorrectly if there are more than two wires.

There may also be an additional sensor in the bottom of the machine that detects if water is in the drain down system going from the evaporator to the condenser this may be active due to a false reading. You will need to consult the wing diagram and also any exploded views that you can find of the machine.

I can’t offer much more help without seeing the machine, but you can refer to the workshop manual and diagnostic procedure. I’ve also added a link on this page to two videos about the condenser pump and how heat pump tumble dryers work and how to diagnose problems. I hope they assist you.

Good luck with your repair! There’s a link at the top of the page for any spare parts you might need for this machine.

Thanks very much for contacting us.

All the best,
Paul

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Grundig GTN38240GCX Heat Pump Tumble Dryer Spares

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Grundig GTN38240GCW Heat Pump Tumble Dryer Exploded Views, Wiring Diagram & Service Test Program

Grundig GTN38240GCW Heat Pump Tumble Dryer Gas Leakage

Grundig GTN38240GCW Heat Pump Tumble Dryer Chasis

Grundig GTN38240GCW Heat Pump Tumble Dryer Top Panel

Grundig GTN38240GCW Heat Pump Tumble Dryer Outer Body

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Grundig GTN38240GCW Heat Pump Tumble Dryer Additional Parts

Grundig GTN38240GCW Heat Pump Tumble Dryer Inner Body

full list of spare parts for Grundig GTN38240GCW Heat Pump Tumble Dryer model below