E.04
.04
E.04
.05
E.04
.06
E.04
.08
E.04
.10
E.04
.12
E.04
.13
Fan rotor blocked
E.04
.17
Gas valve control circuit fault
display.
10. DECOMMISSIONING
boiler has been shut.
11.
DISPOSAL
11.1 Disposal/Recycling
Check the sensor/board connection
SENSOR/CONNECTION ERROR
Check the sensor/board connection
INSUFFICIENT CIRCULATION
Check the electric connection of the gas valve
Check the gas valve calibration
Check the electric connections of the electrode
Check the status of the electrode
Check the connection between the board and the fan
15
FUME SENSOR FAULT
CHIMNEY OBSTRUCTION
FUME SENSOR FAULT
OTHER CAUSES
GAS SUPPLY
ELECTRODE PROBLEM
OTHER CAUSES
Check the earth circuit
BOARD/FAN ERROR
Change the air-gas unit
MAIN BOARD ERROR
7696305 (01-12/17)