Solved
W6643N/S

Gorenje W6643N/S trips circuit breaker

WEweirdfun
Asked over 6 years ago 8,877 views
0

6 year old washing machine started to trip circuit breaker when i turn it on (this happens immediately when i move switch form off position)

I checked wall plug, cable, mains filter everything was fine. Eventually i found that if pressure switch is disconnected washing machine works.

So if i disconnect pressure switch machine will turn on and work (it will have problems, for example not know when to stop pumping out water)

So is this part at fault, how could it cause washing machine to trip breaker?

Solution Summary

AI-generated from this discussion

This thread was marked as solved. Here's a summary of the problem and the fix, generated from the discussion below.

Gorenje W6643N/S trips breaker immediately at power-on

The problem
A 6-year-old Gorenje W6643N/S washing machine trips the circuit breaker immediately when switched on. The owner reported that the machine would power up if the pressure switch was disconnected, although it then behaved incorrectly because it could not sense water level properly.
Likely cause
The accepted reply says the pressure switch itself is unlikely to be the cause of tripping. The strongest supported diagnosis is an insulation fault elsewhere in the machine, with the pressure-switch disconnection probably also removing or disturbing related wiring. A heating element insulation fault was suggested as a common cause, but this was not confirmed on this machine.
What fixed it
No confirmed repair was documented. The accepted advice was that the fault needs tracing with a proper insulation test meter rather than replacing the pressure switch on assumption. The owner indicated they would need to call for professional service.
Checks to try
  • Checked wall plug
  • Checked mains cable
  • Checked mains filter
  • Observed machine works with pressure switch disconnected
  • Motor, heater and pump were reported by the owner as otherwise working
Parts or tools mentioned
  • Pressure switch
  • Mains filter
  • Insulation test meter
  • Heating element
  • Main PCB

Safety: Further diagnosis should be carried out by a suitably qualified appliance engineer.

Professional repair recommendedGenerated 14 Aug 2026 · AI summaries can make mistakes — read the full thread below.
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3 Answers

Accepted Answer
0
WH
WhitegoodshelpVerified Engineer
Answered over 6 years ago

Hello. I've never heard of a pressure switch tripping the electrics and I can't see how it's possible. It's much more likely that in disconnecting the pressure switch you have also taken out other wiring and components where the fault actually lies. Without a proper insulation test meter though you won't be able to find the fault. However, my article here may be helpful washing machine tripping or fusing electrics

Whitegoods Help — appliance repair expert and forum host.
0
WE
weirdfun
Answered over 6 years ago

Thanks for the quick reply

I also thought that pressure switch can't create shorts on its on.

Since all other components work (motor, heater, pump...) problem is possibly in main pcb?

I think that i will need to call professional service unfortunately...

0
WH
WhitegoodshelpVerified Engineer
Answered over 6 years ago

Hi. As my article says, one of the most common causes of low insulation on a washing machine is a heating element. I'd suspect that first but you need to test it with an insulation test meter ideally.

Whitegoods Help — appliance repair expert and forum host.

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