Fan speed error, too slow Engineer visit required
Tag:
fault
Controls error Engineer visit required
PCB error Engineer visit required
Flue sensor error Engineer visit required
Temperature sensor fault Engineer visit required
Outside sensor Engineer visit required
PCB lock out May follow power supply problem; try reset
Gas supply fault Check gas is turned on, if prepayment meter check there is credit. If all ok and E133 persists – contact Engineer to visit & investigate
Overheat lock out This may follow a power cut, try reset
Overheat Ensure radiators are bled of air