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bosch WTE86304/GB05 customer reports machine runs for about 15 mins then cuts out. dead . no lights. nothing. this is a sensor dry, overheat TOC is manual reset and is not tripping after about 15 mins machine power is back and can be reset again I cant see anything obvious any ideas?
wilf
Re: bosch dryer
The door handle and door striker are a caution on these and do cause the symptoms you describe. 😉
Re: bosch dryer
sounds like a dodgy socket to me.. when it’s pulling current for a while something may be breaking down in there.
Re: bosch dryer
got one of these today.
runs for about 20 minutes then the power cuts in and out repeatedly and you can here the power relay on the board clicking.
a quick answer would be great but i reckon itll be a faulty capacitor on the board.
any pointers please…?
keithbosch dryer
Have you been able to test voltage after it cuts out. Is power still flowing to the machine past suppressor and to switch?
Re: bosch dryer
had something similar myself, feed to the pcb so soldered up a few suspect joints around the rotary switch and it seemed to work……cust reported same again a few days later so have to assume pcb which was horrendously pricey and deemed it BER
Re: bosch dryer
this dryer now belongs to me. so when i eventually get time to look at it ill report back. the reason i suspect a cap is that the symptoms are same as my kef subwoofer. the faulty capacitor prevents the relay holding closed, hopefully this will be same.
Re: bosch dryer
Hi, I’ve one with similar problem. Power getting to machine. Turn selector switch to a program, machine is totally dead. Wait and wait :rolls: and wait, then control panel comes to life with an obvious relay click. Press start and all is well. After 5-10 minutes, it all cuts out with no lights or display again. Sometimes it will come back to life after only a couple of seconds of cutting out, then pressing start button begins the program from the begining again. This process repeats over and over. Suspect pcb but at £225, it’s a non starter. Has anyone traced the component that causes this fault.
RickRe: bosch dryer
Ive got one of these today. After 10-15 mins goes dead no lights on panel, checked power to PCB, OK. Anyone got a cure for this without changing the PCB (£220) would be appreciated.
Re: bosch dryer
Assuming that no one comes up with anything other than board then I might be able to help you fault find the board if you can provide me with some decent photos of both sides of it.
Jem
Re: bosch dryer
OK, think I have solved this one. Having spent some time fault finding the PCB I have replaced the IC TNY266PN which is controlling the switching in the AC DC power supply. Cost £1-74 from CPC. The Dryer is now operating normally. Hopefully customer should be happy, not having the expense of replacing the expensive PCB (£202-00 from Bosch) or buying a new dryer.
Re: bosch dryer
Before I changed the IC I ran the dryer until it went dead, approx 10-15 mins. Changed the IC & ran the machine for 1 hour, didn’t stop. Seems OK. Hope it works for everyone else. It looks like this IC or a similar one is used in other white goods modules. It controls the switching of the AC mains to the low voltage transformer feeding the contol circuitry & display.
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