Opus Tempo 100, Operation And Installation Manual

Page: 15 / 19

7. Common fault finding
Please be aware that in the event of your stove not performing properly, you should always
consult your installer or a qualified professional. Below is a list of potential problems and
possible causes:
Problem Possible cause
Fire hard to light 
Kindling too large or not dry enough

Bad quality or wet wood

Logs too thick

Insufficient time with door ajar (needs 5-10 minutes)
Insufficient time with primary air (needs 20 minutes)

Cold flue pipe (open stove door 20 minutes before
lighting)
Fire lights but won't keep
burning 
Insufficient chimney draught (consult installer)

Primary air closed before stove up to temperature

Bad quality, oversize or wet wood

Insufficient embers to ignite new load of wood

Insufficient chimney draught (consult installer)
Glass blackens up

Wood has too high a moisture content

Secondary air closed down too far

Slow burning periods too long
Fire won't turn down

Wood pieces too small

Ashpan not properly closed (ash build up behind
ashpan)

Ashpan or door rope seal needs replacing
Chimney fire 
Moisture content of wood too high causing excessive
build up of tar in the chimney
Insufficient heating 
Chimney draught too strong

Stove sized incorrectly
14
Stove smoking 
Moisture content of wood too high

Flue pipe obstructed

Flue damper is closed

Insufficient chimney draught (consult installer)

Soot build up in chimney or flue (sweep chimney)

Obstruction in chimney (sweep chimney)

Chimney height or termination insufficient

Downdraft (puffs of smoke occurring in particular
wind conditions – install an anti-downdraft cowl)

Insufficient air getting into the room or extractor fans
present