65
Troubleshooting
GBF-70 Fryer
This section is reference guide for resolving problems that may arise when operating the equipment. The following
information is intended to aid users or technicians in accurately diagnosing and correcting issues. The most
common issues are discussed here, however if you encounter problems that are not addressed, Giles Technical
Service representatives may help identify and resolve the problem without a service call ... please call 800.554.4537
or email services@gfse.com
.
When troubleshooting problems, always use a process of elimination starting with the simplest solution, then work
through to the most complex. Historically, many problems which have been reported are operational or procedural
in nature ... DON’T OVERLOOK THE OBVIOUS
... tripped circuit breaker, wrong valve position, or valve not
completely closed, etc. Always refer to the instructions and procedures explained in previous sections of this
manual.
6. Troubleshooting
6.01 Temperature Control System
Problem Probable Cause Corrective Action
Fryer will not turn [ON].
POWER light on control panel is not [ON].
A. Circuit breaker tripped in the facility
electrical panel.
Check for tripped circuit breaker.
B. Blown fuse in fryer.
Check fuses, replace as needed (inside
cabinet, upper right‐hand corner).
C. Power switch is faulty. Call for service.
Controller does not power up.
POWER light on control panel is [ON].
A. Blown controller power fuse. Call for service.
B. Controller has failed. Call for service.
Fryer does not heat.
Control panel POWER light [ON].
Control panel amber HEAT light [OFF].
Controller HEAT indicator [ON] & PREHEAT
displayed on controller screen.
A. HEAT switch on control panel is in the
[OFF] position.
Place switch in [HEAT] position.
Fryer does not heat.
Control panel POWER light [ON].
HEAT switch in [HEAT] position.
Control panel amber HEAT light [OFF].
Controller HEAT indicator [OFF].
*Alarm may be sounding.
A. Power‐up procedure not completed.
“POWER FAILURE” msg still showing.
Press [START] key to enter PREHEAT
mode.
B. Actual oil temperature is higher than
the controller setpoint.
Verify temperature setting. After a boil‐
out cycle, the setting automatically
changes to 50°F.
C. “DRAIN OPEN” msg showing w/alarm Verify that the drain valve is fully closed.
D. Controller is faulty Call for service.
E. Temperature sensor faulty
Er13 msg displayed
Call for service.
F. Contactor is failed Call for service.
G. HEAT switch is faulty Call for service.
Fryer does not heat.
Control panel POWER light [ON].
HEAT switch in [HEAT] position.
Control panel amber HEAT light [ON].
Controller HEAT indicator is [ON].
A. Heating element circuit breaker has
tripped.
Reset circuit breaker (located on rear of
unit behind removable cover).
Continued on Next Page
Inspection, testing and repair of electrical circuitry and components should ONLY be
performed by professional, qualified kitchen equipment service technicians.
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