SOLZAIMA SZM A 18 KW, Instruction Manual

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71
Note: you must annually to check the pre-charge of the expansion vessel,
check security valve and the liquid state of the hydraulic circuit.
WARNING! the frequency of maintenance tasks is dependent on the
quality of pellets
21. Alarms / failures / recommendation list
Table 2 - list of alarms
Alarm Code Troubleshooting
Ignition failure A01
Maximum time 1800
sec
- 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
No flame or lack of pellets A02
Fume temperature
below 45 °C
- Pellet reservoir is empty
Excess heat in the pellet
drum
A03 110 °C
- the fan is not working – call for assistance
- faulty thermostat - call for assistance
- machine with faulty ventilation
Excess fume temperature A04
Over 260 ºC
- 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
Pressure switch alarm A05
The door is open, lack
of draught or extractor
fault for 120 sec
- close the door and clear the error message on
the faulty pressure regulator
- Obstruction of the exhaust pipe or faulty
extractor
Air mass probe A06
40 Ipm delta for 3600
sec
- pipes with insufficient extraction or obstructed
pipes
The door is open A07
Door open for 120
seconds
- close the door - clear the error message
- air mass sensor
damaged
Fume extractor is faulty A08 Connection failure
- check connection
-
check the smoke extractor is not blocked
Fume probe failure A09 Connection failure
- check connection
- smoke probe damaged
Pellet resistance error A10 Connection failure
- check connection
- resistance damaged
Worm drive error A11 Connection failure
- check connection
- Worm motor damaged
Pellet level alarm A15
- check connection
-
put pellets in the external silo (only active in
automatic boilers)
Water pressure outside
operating range
A16
- check connection
- check pressure in the hydraulic circuit
-
adjust pressure in the hydraulic circuit
(working range 0.5 to 2.9 bar)
Excess water temperature A18 95 ºC
- check connection
- check if the pump works
- purge hydraulic circuit
- check if the heat sinks are open