Gasboy CFN Series Diagnostic Manual - Manual (Page 225)

Pump Control Unit
12/26/02 6-35
Possible Cause Checks Corrective Action
No AC power switched
through submersible starter
relay (if used). Check if the breaker that
supplies power to the
submersible pump motor
through the starter relay is
tripped or off.
Check if 115 (230) VAC is
being switched through
submersible pump breaker.
Check if 115 (230) VAC is
measured at the input
contacts of the submersible
starter relay.
Check if 115 (230) VAC is
measured at the output
contacts of the submersible
starter relay, when closed.
Turn breaker on, if off.
Replace breaker if 115 (230)
VAC is not being switched.
Repair wiring problem
between electric panel and
submersible starter relay if
115 (230) VAC is not
measured on the input
contacts.
Replace the submersible
starter relay if 115 (230) VAC
is not measured at the output
contacts.
Out of fuel. Stick the tank to check the
fuel level. Order fuel if the tank is empty.
Leak detector did not open. Check for a leak in the supply
line or piping. Replace defective leak
detector if it does not open.
Call qualified service
personnel.
Shear valve tripped. Check if shear valve tripped. Reset or replace shear valve
if it is tripped or defective.
Correct the cause of tripping.
Defective submersible pump
motor. None. Call a qualified pump service
technician.