Here's one for the Baxi experts:
I've got a Baxi solo 2 pf 50 that will not start. It was running fine until last week when it caused the electricity to trip. When the electric was turned back on the pump was on constantly and the boiler would not start.
When the boiler is turned on the 'boiler on' light comes on. There's no other lights lit. There's no fan, no pilot ticking nothing runs except the pump.
Assuming it was the programmer, which was very long in the tooth and needed replacement anyway, I replaced this with a new one, carefully following the wiring from the old one. No change.
After stripping down the boiler I saw one of the relays (the one behind the control pot', which looks like it controls the fan) had blown and bust the track on the board, . I replaced this and repaired the track but same problem. Next assumption - the PCB. I ordered a new PCB, carefully wired it in and same problem again except that the pump turns off now after about 8 mins so getting closer.
I've checked the pilot solenoid - 1.5k ohms and the gas valve. The fan read 59 ohms. The wiring has been checked to the fan, fan pressure switch, thermostat, etc. Are there any other tests I can perform to diagnose this?
I'm running out of ideas, can anyone help please or will I have to call a corgi?
Thanks
I've got a Baxi solo 2 pf 50 that will not start. It was running fine until last week when it caused the electricity to trip. When the electric was turned back on the pump was on constantly and the boiler would not start.
When the boiler is turned on the 'boiler on' light comes on. There's no other lights lit. There's no fan, no pilot ticking nothing runs except the pump.
Assuming it was the programmer, which was very long in the tooth and needed replacement anyway, I replaced this with a new one, carefully following the wiring from the old one. No change.
After stripping down the boiler I saw one of the relays (the one behind the control pot', which looks like it controls the fan) had blown and bust the track on the board, . I replaced this and repaired the track but same problem. Next assumption - the PCB. I ordered a new PCB, carefully wired it in and same problem again except that the pump turns off now after about 8 mins so getting closer.
I've checked the pilot solenoid - 1.5k ohms and the gas valve. The fan read 59 ohms. The wiring has been checked to the fan, fan pressure switch, thermostat, etc. Are there any other tests I can perform to diagnose this?
I'm running out of ideas, can anyone help please or will I have to call a corgi?
Thanks