Southbend SBF18 User Manual
Page 6

L20-392 Rev. 0 (04/12)
6
TROUBLESHOOTING
Symptom
Possible Cause/
Corrective Action
Pump doesn’t start when
filter is turned on.
Power cord isn’t plugged
into wall.
Power cord is loose at
filter receptacle.
Circuit breaker has
tripped.
Pump motor thermal
overload has tripped.
Plug in power cord.
Plug power cord into
receptacle at rear of filter.
Turn power switch “OFF”.
Reset Circuit Breaker.
Turn power switch “OFF”.
Allow filter motor to cool.
Remove cap covering
reset hole in housing.
Press red reset button on
motor end.
Pump stops during filtering.
Circuit breaker has
tripped.
Pump motor thermal
overload has tripped.
Pump is blocked or wiring
is loose.
Turn power switch “OFF”.
Reset Circuit Breaker.
Turn power switch “OFF”.
Allow filter motor to cool.
Remove cap covering
reset hole in housing.
Press red reset button on
motor end.
Contact a qualified
service technician.
Filter pumps slowly or not at
all.
Filter media is clogged
Filter flush hose is
clogged
Inlet hose is clogged
Turn power switch “OFF”.
Allow filter to cool. Empty
pan and change or clean
filter media.
Turn power switch “OFF”.
Remove hose and clean.
Allow filter to cool. Empty
pan and clear inlet hose.
Pumping is erratic
Filter media improperly
installed
Loose hose connections.
Allow filter to cool. Empty
pan. Verify filter media,
support rack, and hold
down are installed
properly.
Verify that inlet and flush
hoses are connected
properly.
Excessive air bubbles in oil
being pumped.
Air leak on inlet side of
pump.
Check inlet hose for proper
connection.