wb 28i junior in ignition lockout mode according to flashing light sequence on control panel.
Last week the system lost pressure and locked out but re-ignited once repressurised.
When turn on with CH and HW calling for heat pump appears to run (can hear it humming) then reset light comes on.
System pressure is OK for LPG and there is gas in the tank.
The system completely locks out so that even pressing the reset button does nothing...the red light continues to flash no matter how many seconds it is pressed for. This can be reset by breathing down the aps (orange hose).
From visual inspection the fan does not turn at any point.
WB want £210 to come and inspect...is there anything obvious that I am missing or can try before resorting to paying the money! I am a reasonably competent home DIY-er but by no means a professional.
All advice gratefully received.
Last week the system lost pressure and locked out but re-ignited once repressurised.
When turn on with CH and HW calling for heat pump appears to run (can hear it humming) then reset light comes on.
System pressure is OK for LPG and there is gas in the tank.
The system completely locks out so that even pressing the reset button does nothing...the red light continues to flash no matter how many seconds it is pressed for. This can be reset by breathing down the aps (orange hose).
From visual inspection the fan does not turn at any point.
WB want £210 to come and inspect...is there anything obvious that I am missing or can try before resorting to paying the money! I am a reasonably competent home DIY-er but by no means a professional.
All advice gratefully received.