Trianco Tro 28/32 Boiler
- Thread starter John999
- Start date
Yellow light ( Amber ) mean that the boiler is overheating and trip the limit thermostat.
Check the pump is running and motorised valves is working.
If okay, boiler thermostat is faulty and you need to call a service engineer.
Daniel.
Check the pump is running and motorised valves is working.
If okay, boiler thermostat is faulty and you need to call a service engineer.
Daniel.
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