FULTON RB Series Installation, Operation And Maintenance Manual page 55

Fulton Ltd
4.12.1 TROUBLESHOOTING
Problem
Wet steam, boiler primes
Pump will not cut off
Feedwater pump runs but
does not put water into boiler
Feedwater pump will not
start in time
Low water alarm/burner
shut-off will not act in time
Starting the boiler, the high
limit steam pressure limit is
illuminated and the burner
stops
Note: For more detailed fault finding on the burner consult the burner manufacturers Installation and
Maintenance instructions
RB-RBC-IOMM-2015-1
Cause
Too much boiler treatment chemical Dump return tank, flush system or stop
Steam traps
Earth connection
Probes connections
Dirty probes
Water level relay
Air/steam lock in pump
Blocked water feed line
Impellers damaged
Probe connections
Dirty probes
Water level relay
Earth connection
Probe connections
Dirty probes
Water level relay
Earth connection
Boiler is completely filled with water. Blowdown the boiler to a normal water
On/off pressure switch has failed.
MAINTENANCE - 4
BOILER
Remedy
treatment for a week.
See previous page.
Check for tightness and clean.
Check for tightness and clean.
Clean or replace.
Replace.
Check for bad steam traps.
Check for check valve in water feed
line.
Reduce temperature of the
feedwater tank.
Check and clean if necessary.
Replace pump.
Check for tightness and
clean the connections.
Clean or replace.
Replace.
Check for tightness and clean.
Check for tightness and clean the
connections.
Clean or replace.
Replace.
Check for tightness and clean.
level.
Check pressure switch replace as
required.
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