When checking electrical continuity across terminals on the overheat thermostat. If thermostat cold (not tripped) should the reading be continuity or open circuit
bosch 24i junior combi boiler
- Thread starter custer7
- Start date
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Open circuit when tripped, if not tripped then stat is faulty.
Mike
Mike
What is the fault? Don't forget to take leads off before testing.
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Thanks, fault was blocked heat exchanger but removing it my plumber damaged overheat stat and being a Sunday no spare. When i checked found stat open circuit, suspected in normal operation there should be continuity but just wanted to check.
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