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Operation and maintenance manual - EN
39. Information - error messages - troubleshooting
General troubleshooting
CAUTION - All interventions into the electric systems must be performed by a qualified
person that has read the operation manual and has been trained by the manufacturer.
The equipment is not working:
If you come to a boiler with a burner that has been put out of operation, proceed as follows:
- Check whether the boiler and burner are energized, if so
- Check whether the tank is filled with pellets
- Check whether the conveyor is filled with pellets after it has run out of pellets (must always be
drawn before a new start, see the instructions), if so
- Read the error message on the burner display and find the error in the table below
WA R N I NG – if the burner did not call any ALARM, it is not maufnctioning and is
performing its own testing. Do not reset it by shutting off the power supply (switch),
wait for the alarm to sound or normal operation (wait 1 hour).
Table of error messages on the display - ALARMs
Alarm
no.
Message on the
display
Meaning Remedy
1 ALARM CRC
Wrong program checksum -
error of the electronic unit
Replace the electronic control
unit
2 ALARM
SENSOR TV
Failure of the sensor of water
temperature in the boiler or
temperature in the top part of
the tank (TV) - the sensor is
short-circuited (damaged) or
disconnected
Check the connection of the
sensor in the burner
Check the cable and sensor
for damage
Repair or replace
3 ALARM
SENSOR TS
Failure of the sensor of flue
gas temperature or water
temperature in the bottom part
of the tank (TS) - the sensor is
short-circuited (damaged) or
disconnected
Check the connection of the
sensor in the burner
Check the cable and sensor
for damage
Repair or replace
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