Fulton Edge ICX or FB-F Vertical Tubeless Boilers (Steam), Gas Fired - Manual (Page 28)

22-G 1/01
Problem Cause Remedy
Water pump will not 1. Scale on probes Check and clean or replace as necessary.
come on at times
2. Bad Pump Contactor Check to see if contactor is being powered.
Check to see if contactor coil is pulling in. Replace if
necessary.
3. Bad Pump Motor Check the incoming power to the pump to be sure it
is receiving power. If power is present but motor does
not run, replace it.
Low Fuel pressure 1. Gas pressure regulator Check and replace.
Boiler Flooding 1. Pump does not shut off Dirty probes. Clean or replace as necessary.
2. Relay failed Make sure relay is plugged in tightly. If so, replace
water level relay.
3. Ground Connection Check for tightness and clean.
4. Vacuum created with As the boiler cools off, it pulls water from the system
boiler off piping. To prevent this, add a 1/4” check valve on the
steam gauge assembly piping, which closes under
pressure and opens under vacuum.
LE Maintenance