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ALT C1 "ABP"
This alarm triggers if the temperature probe does
not read the boiler warming within a preset time.
PROBABLE CAUSES ARE:
• Lack of one of the phases in machine power supply
• Boiler safety thermostat is open
• Boiler temperature probe is interrupted or dis-
connected
• Some of the components of boiler heating ele-
ment are faulty/damaged
CONSEQUENCES:
• Boiler is locked. To cancel the alarm, press the
CANC button below the display
ALT C2 "ABP"
This alarm triggers when the temperature probe
is interrupted.
PROBABLE CAUSES ARE:
• Boiler temperature probe is interrupted or dis-
connected
CONSEQUENCES:
• Boiler is locked. To cancel the alarm, press the
CANC button below the display
ALT C3 "ABP"
This alarm triggers when boiler temperature probe
has experienced a short circuit
PROBABLE CAUSES ARE:
• Temperature probe is faulty/damaged
• The temperature probe connecting cable has
experienced a short circuit
CONSEQUENCES:
• Boiler is locked. To cancel the alarm, press the
CANC button below the display
ALT C4 "ABP"
This alarm triggers when the boiler temperature
probe reads an over-heating of the boiler.
PROBABLE CAUSES ARE:
• Boiler contactor is closed or blocked
• Boiler heating element earth is missing
• Temperature probe is faulty/damaged
CONSEQUENCES:
• Boiler is locked. To cancel the alarm, press the
CANC button below the display
ALT GR11 "ABP"
This alarms triggers when group 1 temperature
probe does not read the heating/warming of the
group within a pre-set time of 5 minutes.
PROBABLE CAUSES ARE:
• Lack of one of the phases in machine power supply
• Group 1 safety thermostat is open
• Group 1 heating element is interrupted
CONSEQUENCES:
• Boiler is locked. To cancel the alarm, press the
CANC button below the display
ALT GR12 "ABP"
This alarms triggers when group 1 temperature
probe is interrupted.
PROBABLE CAUSES ARE:
• Group 1 temperature probe is interrupted or
disconnected
CONSEQUENCES:
• Boiler is locked. To cancel the alarm, press the
CANC button below the display
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