Alarms / Failures / Recommendation List - Baxi CBP Matic 18 Manual

11. Alarms / failures / recommendation list

Alarm
Ignition failure
No flame or lack of pellets
Excess heat in the pellet drum
Excess fume temperature
Pressure switch alarm
Air mass probe
The door is open
Fume extractor is faulty
Fume probe failure
Pellet resistance error
Worm drive error
Pellet level alarm
Water pressure outside
operating range
Excess water temperature
Important note: all alarms cause the machine to shut down. The alarm must be
reset and restarted. To reset the unit, press the "On/Off" button for 10 seconds until
the alarm sounds.
Code
A01 Maximum time 1800 sec
Fume temperature below
A02
45 °C
A03 110 °C
A04
Over 260 ºC
The door is open, lack of
A05 draught or extractor fault
for 120 sec
A06 40 Ipm delta for 3600 sec
A07 Door open for 120 seconds
A08 Connection failure
A09 Connection failure
A10 Connection failure
A11 Connection failure
A15
A16
A18 95 ºC
Table 5 - list of alarms
Troubleshooting
- empty worm drive channel – restart the unit
- heater resistor burnt - ignition – replace resistor
- linear motor resistor burnt
- faulty micro switch
- the burning basket has been incorrectly installed
- linear cleaning motor is blocked
- fume temperature not exceed the activation setting
- Pellet reservoir is empty
- the fan is not working – call for assistance
- faulty thermostat - call for assistance
- machine with faulty ventilation
- fan not working or set to a low power level –
increase the level to maximum (if the problem
persists, call assistance)
- insufficient extraction
- excess of pellets
- faulty fume probe
- close the door and clear the error message on the
faulty pressure regulator
- Obstruction of the exhaust pipe or faulty extractor
- pipes with insufficient extraction or obstructed pipes
- close the door - clear the error message
- air mass sensor damaged
- check connection
- check the smoke extractor is not blocked
- check connection
- smoke probe damaged
- check connection
- resistance damaged
- check connection
- Worm motor damaged
- check connection
- put pellets in the external silo (only active in
automatic boilers)
- check connection
- check pressure in the hydraulic circuit
- adjust pressure in the hydraulic circuit (working
range 0.5 to 2.9 bar)
- check connection
- check if the pump works
- purge hydraulic circuit
- check if the heat sinks are open
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