Alpha Pro Tec Plus 115, Инструкции по установке и обслуживанию, Страница: 35 / 56

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Alpha Pro Tec Plus 50, 70, 90, 115 - Fault Finding
Fault code
0E
Fault description Possible solutions
Check flame sensing electrode connections.
Check for a short circuit to the electrode or wire.
Check for correct gas supply (purged and valves open).
Check ignition electrode position and spark.
Check flame sensing electrode gap and connections.
Investigate initial fault code displayed.
Switch the power supply Off/On to clear this code.
Check all electrical connections.
Check for water ingress in connections.
Check DHW sensor connections and wires.
Check for water ingress in connections.
Check DHW sensor connections and damaged cables.
Check DHW sensor resistance values.
Check electrical socket connections.
Check external power supply.
Check the system for circulation and restrictions.
Check system pressure and gauge.
Check pressure switch and connections.
Check flue sensor connections and wires.
Check for water ingress in connections.
Check flue sensor connections and wires.
Check flue sensor resistance values.
Check for poor or incorrect circulation.
Check for external circuit influences.
Check resistances of flow and return sensors.
Check 'M to O' connections.
Check compatible software on PCB.
Check wiring connections on all boilers.
Flame sensing fault.
Flame circuit fault.
Maximum number of resets reached.
More than five reset attempts have been reached within 15 minutes.
Main PCB fault.
DHW sensor short circuit.
DHW sensor out of range.
DHW sensor measures a temperature outside normal working range.
Low powers supply voltage.
Insufficient system pressure.
Flue sensor short circuit.
Flue sensor out of range.
Flue sensor measures a temperature outside normal working range.
Flow and return sensor anomaly detected.
The sensor shows an incorrect temperature value.
Simple cascade communication error.
Simple cascade communication error.
0E2
0E8
0E13
0E25
0E32
0E33
0E34
0E37
0E45
0E46
0E81
0E98
0E99
Fault code
FE
Fault description Possible solutions
Check electrical connections to display board.
Check for water ingress in connections.
Check for damage to buttons or LCD screen.
Check external flow sensor connections and damaged
wires.
Check external flow sensor resistance values between
5 and 0.
Check external sensor connections and wires.
Check for water ingress in connections.
Check boiler parameter settings are correct.
Check all electrical connections.
Check for correct parameter settings on PCB.
Press '-' CH button until 'AUTO' appears, then press and
hold 'RESET' button until 'bu1' appears.
Display PCB fault.
External flow sensor out of range or short circuit.
External flow sensor measures a temperature outside normal working
range.
External sensor fault.
Boiler PCB configuration error.
This may occur if the main PCB or display PCB is changed.
FE94
FE95
FE96
FE97