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Troubleshooting
All corrective action should be taken while the appliance is cold.
Observed Fault
No heat from
radiators/in
house
F:\C - E\ECOMAX\COAL BOILER\Instructions and Manuals\Coal Boiler Manual Rev 6.doc
Page 28 of 36
Possible Cause
No coal
Damp coal
Coal Feed
Screw not
turning
Coal 'bridging'
at bottom of
Hopper
Burn Pot
blocked
Blower detached
or not running
Pump
continuously
running
Pump not
running at all
Airlock
Solution
Refill hopper with fresh fuel. Prime appliance
as per Operating for the First Time/Priming
section
Coal can absorb moisture from the atmosphere
if left for too long. If smoke is coming from the
hopper (blocked Smoke Back Tube), water will
condense in the coal. All damp coal must be
cleaned completely out of the Hopper, Coal
Feed Screw and Burn Pot and replaced with
fresh fuel. Ensure the holes in the Burn Pot
have not become blocked.
See below
Hit side of Hopper to get coal to drop onto the
Coal Feed Screw .When the Hopper is empty
scrape the sides to make sure they are smooth.
Remove build-up of fines at the bottom of the
Hopper .Paint with non-stick surface paint, or
fix thin Teflon sheets to the problem area.
Clear all clinker, coal and ash from Burn Pot
with poker.
Check Blower is securely attached. Check
Blower runs and is not blocked, or running
slowly. With your hand over the outlet, there
should be a significant force from the airflow.
(Only if not using a mixing valve). The Pump
must be connected to the appliance. If it is
wired independently from the appliance the
water will not have a chance to heat up.
Check pump connection to the appliance.
A buildup of air in the water circulation system
will prevent the water circulating throughout
the whole system. If there is heat at only one
end of a radiator the system may need to be
bled.
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