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INSTALLATION & OPERATIONAL SGLV MANUAL
36
L20-407 rev.1 (3/14)
13.6. TROUBLESHOOTING CHARTS
13.6.1. FRYER TROUBLESHOOTING CHART
13.6.2. FILTER TROUBLESHOOTING CHART (IF EQUIPPED)
Problem Probable Causes Corrective Actions
Controller does
not activate.
No power to appliance. Check main building power supply.
Controller not turned on. Turn on controller.
Power Cord loose or not
connected.
Connect power cord.
Main circuit breaker to
appliance has tripped.
Reset circuit breaker
Appliance fuse has blown. Contact Authorized Service Company.
Controller is on
and appliance will
not heat up.
High temperature limit has
tripped.
Allow appliance to cool and reset High
temperature limit.
SCBS thermal limit switch has
tripped.
Depress button on thermal limit switch to reset. If
problem continues, Contact Authorized Service
Company.
Appliance will not
maintain
temperature
properly.
Faulty temperature probe. Contact Authorized Service Company.
Faulty High temperature limit. Contact Authorized Service Company.
Computer display
shows off and can
not be turned on.
Faulty computer Contact Authorized Service Company.
Problem Probable Causes Corrective Actions
Filter pump does
not activate.
Filter pump circuit breaker or
thermal overload has tripped.
Reset circuit breaker/ allow motor to cool, press
RED reset button on motor.
Oil/shortening is
returning to the
tank slowly or not
at all.
Dirty filter paper Change filter paper.
Strainer cap dirty Remove strainer cap and clean.
Filter pan not pushed in
completely.
Push filter pan in.
Excessive air
bubbles are in the
oil being returned
to the tank.
Pickup tube screen not tight. Tighten pickup tube screen cap.
Pickup tube screen cap
missing
Locate and install pickup tube screen cap.
Filter pan not pushed in
completely
Push filter pan in to complete connection.
Drain valve is
closed, but the
computer
controller still
displays
“DRAINING”
Blue drain valve handle not
completely closed
Verify that drain valve handle is completely
closed.
Improperly adjusted or
defective drain switch.
Contact Authorized Service Company.