© 2022 Staheli West
185
Faults
Fault 310: Feed Water Pump Not Running
Causes
Troubleshooting
Fixes
• Supply tanks empty.
• See Fault 206.
• Pump contactor overload is
tripped.
• Inspect feed pump contactor;
if yellow stripe is present in test
window, reset is required.
• Reset pump contactor overload
in Panel 2 (See Fault 237).
• Circuit breaker is tripped.
• Check circuit breaker (Panel 1).
• Reset circulation pump
circuit
breaker (Panel 1).
• Yellow weatherproof 240 V plug
loose/disconnected.
• Inspect yellow weatherproof
plug to see if it is loose or has a
bad connection.
• Reconnect yellow weatherproof
plug behind the burner that gives
240 V to the pump.
• Loose wires inside pump
housing.
• Inspect wire nuts and ensure
that 240 V is reaching the pump.
• Secure wire nuts inside pump
housing.
• Faulty/Seized pump.
• Manually attempt to spin motor
(motor should spin freely).
• Replace pump.
• Water system not enabled on
touch screen.
• Feed pump should be running
anytime water system is enabled.
• Enable water system (Menu >
Operations > System Start).
• Faulty relay between PLC and
motor contactor.
• Check relay to see if light is on
(Panel 2 relay block 2nd relay).
• Replace relay.
• PLC output not sending signal.
• Check for 24 V on PLC output
“Y4” (Menu > Diagnostics >
Inputs/Outputs > Discrete
Outputs > Y4).
• Replace PLC.
• Faulty wiring.
• Inspect entire wiring path
checking for continuity, ground,
and proper voltage.
• Repair/Replace faulty wiring
section.