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4. Troubleshooting
Symptom Reason Action
Boiler cannot reach
set temperature
Wrong lightning up Check. 5.1 „Lightning up”
Too humid wood Humidity control – use wood with proper
parameters
Clogged primary air channels Call service – after warranty service
Clogged secondary air pipes Call service – after warranty service
Polluted heat exchanger’s pipes Call service – after warranty service
Unproper mix of air with wood
gases
Call service – after warranty service
Damaged nozzle Replace – after warranty service
Smoking from fan gasket Replace – after warranty service
Damaged fan Replace – after warranty service
Smoking from
loading door
Strong wind force exhaust gases
into the chimney
Consider installation of appliances supporting
chimney draft (WKO)
Unproper chimney parameters Rebuild chimney, chimneys weeper assistance
Smoking from door Leakiness from door Door adjustment according to 6.3.
Used rope - leak Rope replacement or call service - after warranty
service
Damaged door Door replacement
Controller doesn’t
work
No voltage in the grid Check electric installation
Damaged fuse Fuse replacement
Damaged wire Wire control or replacement
Damaged boiler sensor Call service
Damaged controller Call service
Fan doesn’t work Damaged fan Fan replacement – call service
Fan blades blocked Check and clean fan
Loud work of fan Damaged bearings Call service- fan replacement
Damaged condenser Call service – condenser replacement
Loosen xing of fan Fixing control, screw in
Polluted fan blades Control, cleaning
Pitch in fan casing Control, cleaning
Weak work of fan Polluted fan blades Control,cleaning
Fan ap clogged with pitch Clean or call service
Explosions In boiler Wrong lightning up Check 5.1 “Lightning up“
Too low chimney draf t (below 10 Pa) Rebuild chimney. Install exhaust fan WKO
Too big chimney draft (above 20
Pa)
Install draft stabilizer
Too dry wood (humidity below
15 %)
Mix with wood with higher humidity content
Polluted heat exchanger’s pipes Clean pipes or call service