55
13.
Alarms / failures / recommendation list
Error
Description
Actions
Er01
Alarm thermostat safety
- Check electrical connection.
- Check that the pump works.
- Bleed the hydraulic circuit.
- If the problem persists, contact technical service.
Er02
Alarm smoke pressure switch
- Close door and remove faulty pressure switch error.
- Blockage of exhaust pipe or defective extractor.
Er03
Low
temperature
fume
extinguishing (35ºC)
- Empty pellet tank.
- Microswitch is not closed.
Er04
Extinguishing due to excess water
temperature
- Check that the pump works.
- Bleed the hydraulic circuit.
- If the problem persists, contact technical service.
Er05
Extinguishing due to high smoke
temperature
- Insufficient draft.
- Excessive dosing of pellets.
- Defective smoke sensor.
- If the problem persists, contact technical service.
Er07
Encoder Error. The error may
occur due to a lack of signal
- Restart the boiler, if the problem persists, contact
technical service.
Er08
Encoder error. The error may
occur due to problems with the
speed control of the smoke
extractor
- Contact your service representative.
Er09
Low water pressure <0,5 Bar
- Check and adjust the pressure in the hydraulic
circuit. If the problem persists, contact technical
service.
Er10
High water pressure >2,9 Bar
- Check and adjust the pressure in the hydraulic
circuit. If the problem persists, contact technical
service.
Er11
Clock error. The error occurs due
to problems with the internal
clock
- Restart the boiler, if the problem persists, contact
technical service.
Er12
Ignition fault
- Empty worm channel - reset.
- Ignition resistance defective - replace resistance.
- Burner incorrectly installed.
- Fume temperature does not exceed the set value
for activation.
Er15
Power failure
- In the event of a power failure (<10s) the boiler
continues to operate normally.
- If the system is ON and the power failure occurs for
more than 10s and less than 5 min, the boiler
restarts after going through standby.
Er16
RS485 communication error
- Restart the boiler, if the problem persists, contact
technical service.
Er17
Combustion air regulation not
achieved
Er18
Boiler without pellets