RB-RBC-IOMM-2015-1
Fulton Ltd
Page 48
MAINTENANCE - 4
Problem Cause Remedy
Starting Power supply Check fuses or circuit breaker.
Gas supply Check for gas pressure.
Check main gas cock is open.
Low water probe Check low water probes.
Loose wire connection Check connections to all
components.
Control circuit dead Door interlock microswitch.
Gas burner will not start Gas supply Check for gas pressure.
Gas pressure switch(s) Reset gas pressure switch.
Air pressure switch Check air pressure switch.
Check fan and thermal overload switch.
Oil burner will not start Oil supply Check for oil in storage tank.
Check oil feed line is open.
Check oil solenoid valves
Fuel pump Check oil pump is de-aerated.
Check oil strainer.
Burner will not start Burner control locked Reset.
Ignition Check ignition electrode and
readjust or clean.
Check transformer.
Flame failure Flame sensor Clean or replace.
Burner programmer Check functions or replace.
Poor combustion Fuelow Check fuel pressure.
Check fuel valves.
Check fuel nozzle.
Air adjustment Readjust.
Check air inlet.
Check fan and thermal
overload switch
Offcentreame Check diffuser alignment in the blast
tube.
Flue Checkueforblockage.
Boiler will not maintain pressure Gas supply See above.
Oil supply See above.
Steam pressure switch Check steam pressure switch,
readjust or replace.
Scale build up in boiler Check Water Treatment advisor.
Steam traps Check steam traps and replace as
necessary.
Dirtyue Cleanuesideofboiler.
Steam overload Reduce.
4.12.1 TROUBLESHOOTING BOILER
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