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ENGLISH
TROUBLESHOOTING
Failure signal on the digital display
To ensure trouble-free operation, the digital display in equipped with a series of safety elements.
Failures are always accompanied by an audible signal.
IMPORTANT: a qualied technician must check the causes of all problems with the boiler.
Failure signal Cause Solution
Damaged PUFFER probe
- Defective PUFFER probe
- PUFFER probe not connected
- Replace the sensor
- Disable the sensor
Boiler temperature too high - Boiler overheating
- Wait for the boiler to cool down.
- Check the manual thermostat reset button.
Press the manual thermostat reset button -
see boiler operation faults
No Ignition
- Ignition process failure, discharge gas
temperature < 100°C
- Restart the ignition process, restart the
fuel.
Error 50 Hz
- Communication error between the fan and
digital display
- Replace the condenser.
- Check digital display operation
Failures during operation
Problem Possible causes
Smoke leak
- check return temperature (min. 60 °C)
- check replace draught (15 Pa)
- check room air inlet supply
- check wood moisture (not above 20 % and not below 12 %)
- logs too big
- check smoke channel development and cleaning
- Set fan power based on replace draught
No boiler power
- check return temperature (min. 60 °C)
- check replace draught (15 Pa)
- check wood moisture (not above 20 % and not below 12 %)
- logs too big
- check wood load
Discharge smoke temperature too high
- check replace draught
- adjust secondary air
- insert fuel correctly into the boiler
Hot water temperature too high
- check system dimensions
- check circulator dimensions and operation
- check return temperature (min. 60 °C)
Condensation in boiler
- check return temperature (min. 60 °C)
- check replace draught
- check room air inlet supply
- check wood moisture (not above 20 % and not below 12 %)
- Set fan power based on replace draught
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