Glow-Worm Compact E Boiler Range Error Codes

Glow-Worm Compact E Boiler Range Error Codes

Symtoms Possible Faults
No DHW Check dhw microswitch
No C/H Check dhw microswitch if dhw demand led is lit
No C/H but boiler is firing Check divertor motor and cartridge
Boiler locks out within 10 seconds Check pump proving switch, air pressure switch and overheat stat
Poor burner pressure Check burner pressure/ignition adjustment pots on PCB

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