Siemens RWB2E Two Channel Programmer

  • Thread starter YMF
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Siemens RWB2E Two Channel Programmer

Siemens RWB2E Two Channel Programmer

I have had this programmer for a few years. I had turned off the power (at the fuse box) to my flat for a few days. I then turned the power back on. All lights and appliances work.

However when I switch the Siements timer to heating or hot water, the RCD fuse box is tripped within 2 seconds. The boiler never fired. I reset the RCD and repeated the process of turning on the hot water or heating using the Siemens programmer and each time the RCD fuse it tripped.

It feels like a boiler...

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by YMF

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