Pereko KSR Beta Pelet 16, Operation And Maintenance Manual

Page: 133 / 184

41
18. POSSIBLE FAULTS DESCRIPTION
Symptoms Tips
There are no signs of
operation of device despite
connection to the network.
Check:
ƒ
If line fuses are not blown, replace if necessary
ƒ
If the wire connecting panel with the executive module is plugged
correctly and if module is not damaged.
Preset boiler temperature
on the display is different
from the required one.
Check:
ƒ
If in this time the HUW container is not loaded and if preset
temperature is set above the preset boiler temperature. If so then the
difference in readings will disappear after heating the HUW container or
reduce the preset HUW temperature.
ƒ
If time periods are activated – then deactivate time periods.
CH pump is not working.
Check:
ƒ
If boiler exceeded temperature above parameter CH activating temp. –
wait or reduce value of this parameter.
ƒ
If HUW priority is activated which blocks CH pump – deactivate priority
be setting HUW pump mode on No priority,
ƒ
If CH pump is damaged or blocked.
Fan does is not working.
ƒ
Check if plug jumper is installed for the limiter of safety temperature
STB on terminals 1-2, (the jumper should only be installed only in case
when temperature limiter is not connected).
ƒ
If producer of the boiler has equipped it with temperature limiter STB
with manual return to original position, it should be unlocked by
untwisting the cover and twisting the button according to
documentation of boiler producer,
ƒ
Check the fan and replace it if necessary.
Additional feeder is not
working (module B).
ƒ
Check if feeder wires are correctly connected to terminals,
ƒ
Check if there is a jumper on terminals 1-2 of module B,
ƒ
Check if feeder engine is not damaged,
ƒ
In case when engine work can be heard and fuel is not provided check
the feeder with its user manual.
Fuel feeder is not working /
does not provide fuel
ƒ
Check if feeder wires are correctly connected to terminals,
ƒ
If temperature limiter STB is connected to terminals 1-2, then check if
the circuit is not cut off due to boiler overheating,
ƒ
Check if feeder engine is not broken or damaged,
ƒ
In case when engine work can be heard and fuel is not provided check
the feeder with its user manual.
Fuel is not burnt off
completely, there are not
burnt remnants in ashes.
Fuel burns with big amount
of smoke, burner fades
ƒ
Check settings output modulation in menu: Boiler settings
→
Output
modulation.
Temperature is not
measured correctly.
ƒ
Check if there is a good thermo contact between the temperature
sensor and measured surface,
ƒ
Check if sensor wire not goes too closely to network wire,
ƒ
Check if sensor is connected to terminal,
ƒ
Check if sensor is not broken – check with point 12.9.
In HUW mode = SUMMER
heaters are hot, boiler is
overheated.
ƒ
Increase value of parameter HUW operation extension to cool off the
boiler.
HUW pump is not working,
even if HUW container is
loaded
ƒ
Set the parameter HUW operation extension = 0