F:\C - E\ECOMAX\COAL BOILER\Instructions and Manuals\Coal Boiler Manual Rev 6.doc
Page
31
of 36
Observed Fault
Possible Cause
Solution
Burn pot has
clinker (fused
ash)
When cold, clean out Burn Pot and Retort of
all ash/clinker
Burn Pot worn
out
Replace Burn Pot
Burn Pot retort
blocked
Open Ash Valve and clean out all ash inside.
Heat Exchanger
Tubes blocked
Use the spanner to lift the Scrubber Coils up
and down to scrape the Heat Exchanger Tubes.
If they are jammed they need to be freed.
Ash Pan too full Remove Ash Pan and dispose of ash. Vacuum
or brush all ash from Ash Pan area inside
appliance when cold.
Burn Pot burnt
out
If the Burn Pot has severely deformed it may
need to be replaced.
Access doors
open
Make sure the Ash Pan is fully sealed in place,
the Combustion Chamber Door and plate at the
top of the Combustion Chamber are fully and
completely closed and the seals are effective
Door seal failure Replace any missing or damaged seals
Buildup of
clinker in
Burn Pot
Boiler running
cold
If the water in the water jacket is constantly
low (below 65°) the boiler cannot run
efficiently. Check that the pump is not running
all the time, or adjust the mixing valve.
Bad batch of
coal
Reduce coal feed until coal is used up and
purchase a different grade of coal.
Pump running
continuously
(unless using a
mixing valve)
Pump must be wired to boiler as per wiring
diagram
Pump
thermostat
faulty
If the pump is not switching on and off as the
boiler heats and cools, the pump thermostat
may need to be replaced.
Excessive
noise or
vibration
Flue and
appliance
requires
cleaning
Thoroughly clean flue, cowl and appliance as
per maintenance schedule
Appliance not
fixed to floor
Check fastenings have not come loose.
Internal
components
loose
Thoroughly check all moving components and
fastenings to make sure they are tight.
