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Mend Siemens RDJ10RF Thermostat Fault

Siemens RDJ10RF Thermostat fault?

I have a problem on my Siemens RDJ10RF Thermostat where although the temperature settings work which show that the corresponding receiver relay is operating, when the unit is switched to auto, the timer settings don't work.
Can anyone help please?

Pete
February 2015

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