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10. Troubleshooting
If there are problems operating the boiler try using this reference chart:
PROBLEM
CAUSE
SOLUTION
The display is not showing
any data.
The boiler is not
connected to the power
supply.
Connect the boiler to the mains (230V/50Hz) via
a cable with plug.
Boiler programmer failure
Replace boiler programmer. *
The fuel screw feeder is
not working.
The boiler drive supply is
disconnected (or
damaged).
Connect (or replace) the boiler drive supply. *
The feeder drive is
damaged.
Replace the damaged feeder drive. *
The fuel feeder gets
repeatedly blocked.
There is an obstacle in the
fuel feeder (stone, etc.).
Remove the fuel screw feeder then the
obstruction. Replace the feeder. *
The fuel contains
significant amount of dust.
Remove unsuitable fuel, re-fill with specified fuel.
The feeder is working yet
the fuel is not delivered
into the burner.
The fuel store is empty.
Replenish the store with specified fuel.
The screw has worn off.
Replace the screw shaft. *
The fan is not working.
The boiler fan supply is
disconnected (or
damaged).
Connect (or replace) the boiler fan power supply.
The fan is damaged.
Replace the fan. *
The fan is very noisy
during operation.
The fan has been clogged
with dust.
Clean the fan. *
The fan bearings have
worn off.
Replace the whole fan. *
The boiler cannot reach
the rated output during
operation.
Short period from the
boiler ignition.
Allow the boiler to burn for longer time.
The fuel feed is set to
lower value.
Adjust the fuel amount according to the
programmer operating instructions.
Different fuel is used in
the boiler (high humidity,
lower calorific value, etc.).
Replenish the store with specified fuel.
The flue gases
temperature is higher than
that specified in the
operating instructions.
The boiler is clogged with
soot.
Clean the heat exchange surfaces of the boiler
body.
The boiler is overheating.
Adjust the fuel amount according to the
programmer operating instructions.
High chimney draught.
Install chimney draught regulator (this can be
done by a specialist company only).
The throttle flap in the
boiler body is open.
Close the throttle flap by the throttle flap lever
and secure it with locking bolt with plastic top.
Smoke appears in the
boiler room or in the fuel
store.
Low chimney draught.
Check the chimney draught value with the
chimney-sweeping company. If the value
measured is lower than value required (see
operating instructions) it might be necessary to
adjust the construction of the chimney.
Boiler door and/or boiler
top cover and/or fuel store
lid are not closed properly.
Ensure boiler door and/or boiler top cover and/or
fuel store lid are closed properly.
The sealing line of the
boiler and/or boiler top
cover is worn (damaged).
Replace worn (damaged) sealing line. *
The fuel store is empty.
Fill the store with specified fuel.
The boiler body is clogged
after a short while.
Low amount of
combustion air.
Increase the fan output (see the programmer
operating instructions).
The boiler is being
overheated.
Adjust the actual boiler output to be in line with
the rated output (see programmer operating
Summary of Contents for K14
Page 1: ...BOILER OPERATION AND INSTALLATION GUIDE BENEKOV K14 BENEKOV K20 BENEKOV K25 ...
Page 9: ... 9 Fig 3 BENEKOV K14 boiler basic dimensions ...
Page 10: ... 10 Fig 4 BENEKOV K20 and K25 boiler dimensions ...
Page 17: ... 17 Fig 7 Position of the K14 boiler in a boiler room ...
Page 33: ... 33 Fig 17 Diagram of electrical connection of XS20 burner of the K14 boiler ...
Page 34: ... 34 Fig 18 Diagram of electrical connection of XS26 burner of the K20 and K25 boilers ...