Alternate Heating COAL GUN S1000, Installation And Operator'S Manual

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APPENDIX E: TROUBLESHOOTING GUIDE
PROBLEM POSSIBLE CAUSE SOLUTION
1.Boiler overheating a) Sight hole cover flap not
releasing when fan stops
b) Excessive chimney draft
c) Aquastat set too high
a) Check spring for proper tension
b) Install barometric damper in
flue
c) Reduce aquastat setting
2. Pressure relief valve
vents a) Expansion tank too small
or “water logged”
b) High limit aquastat not
functioning
a) Add expansion tank capacity
necessary for total volume of
water in system
b) Check wiring and replace
aquastat if malfunctioning
3. Fire box not full of coal a) Obstruction in coal hopper a) Check hopper
4. Coal burns up inlet tube a) Grate not removing spent
ash
b) Fused coal (clinkers) in
coal pot
a) Check for problem in grate
motor circuit or mechanical linkage
b) Remove clinkers (fused coal
ash)
5. Fire goes out a) Insufficient demand to
maintain fire a) Increase heat load
6. Excessive fly ash in
chimney a) Cyclone funnel plugged
b) Flue pipe between boiler
and chimney too long.
a) Check cyclone funnel and
remove restriction.
b) Reduce length of pipe run
7. Excessive sulfur odor in
boiler room a) Coal quality low
b) Chimney draft problem:
1)Down draft
2)Restriction in Chimney
c) Cyclone funnel on Coal
Gun has deteriorated
a) Find better quality coal
b) Inspect chimney
1) Check chimney design &
improve
2) Check & clean chimney
c) Replace cyclone funnel
8. Poor boiler performance a) Inadequate air for
combustion
b) Obstruction to air flow
c) Excessive ash in coal pot
a) Supply adequate air supply
b) Inspect and clean swirl
chamber. Remove and clean
cyclone insert.
c) Adjust ash removal controls.