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Hi,
The diagrams are better than nothing, but I can’t see any more sensors. I believe there are just the two (door and heat pump). I suspect the “Conp” mode just runs the compressor until it sees a temperature rise and then stops, ie it doesn’t go all the way to 55C.
I had a look at the manual for the minimum ambient temperature, and they spec it at 5C. This problem did surface before the temperature dropped yesterday and our conservatory has been hovering around 14-18C over the last few weeks.
I’ve been running a test load of a towel for 30mins or so now. After that much time the temperature sensors report as follows, 46C (heat pump) and 16C (door sensor).
I’m now thinking that maybe something has happened to the airflow, ie the hot air is not being moved from where it is made to where it is needed.
I’m tempted to buy a new dryer anyway, as our use case (un-heated conservatory) probably means it’s not really suited.
Hi,
For those who find this website googling the model number, those attachments are only available if you register for the forum.
I don’t mind an exploded diagram, but those in particular are difficult to use. The resolution is too poor to see any detail. I assume you don’t have any higher resolution copies?
The temperature reported when the compressor is running is much less than 55C, at about 11C ambient temperature.
Hi,
Found another thermistor, at the front below the door. It measured ~20K Ohm. Seems okay.
Running out of options now….
Hi,
I can hope for documentation I suppose.
The “Conp” test just needed the door to be closed. If its left to run, it eventually stops after a seemingly random amount of time and then you are able to cycle through the final test (running the drum anti-clockwise).
Thanks for the information about “OhEy”. I’m a bit suspicious of the result that it has reached 55C. The reading whilst the compressor was running was only 1-2 C above the ambient temperature.
I checked that the feedback seen in the “conp” mode was the thermistor I checked earlier. I held the sensor in my hand for a few minutes (then let go) and turn the tumble drier back on. The temperature reading in “conp” mode was at about 16C.
I had a quick look and cannot (easily) see another thermistor. Where is it likely to be located? Inside the heat exchanger?
Hi,
Arg! I wish they provided documentation for these things.
Just refitted the PCB after reflowing the solder joints. Re-ran the diagnostic mode, same fault, compressor doesn’t turn on.
For some reason I closed the door with the dryer still in “Conp” mode, and the compressor fires up in the diagnostic mode. The temperature increases a bit during the run about 2 C in 60 seconds, then the display flashes “OhEy”/”0hEy”. Pressing “buzzer cancel” gives a final screen which says “Er01” in the main part of the display and cycles through E1, E2, E3, in the top left part of the display.
Seems I have been on a wild goose chase and I’m none the wiser now.
I suspect there is another sensor or similar that I don’t know about which is not behaving.
Any suggestions?
Hi,
So did I until just now! Wired up the compressor directly to the mains and it fires up with a lovely bubbly sound. I only ran it for <5 s, but it proves that the problem is elsewhere.
I’ve buzzed out the wired connections to the PCB, and they seem okay.
The soldering on the relay that switches the neutral to the compressor doesn’t look too happy. I’ll try reflowing the joints and see how it goes. Fingers crossed.
