GILES EOF10-10 - 7 Troubleshooting; Temperature Control System

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EOF 10-10/20 EOF 10-10/20
This section describes troubleshooting procedures. IMPORTANT! Most troubleshooting and repairs should only be
performed by qualified service technicians. Users should only attempt actions involving operational procedures.
For more detailed professional evaluation, wiring diagrams are provided for each unit; they are attached to the Back
Panels, if needed.
7. Troubleshooting
7-01. Temperature Control System
Problem Probable Cause Corrective Action
FRYER WILL NOT TURN ON:
No power light
A. Not connected to power supply Connect to proper power supply
B. Supply power circuit breaker
tripped
Check circuit breakers in electrical
panel
C. Blown fuse on unit Check fuses on back of unit (access
cover must be removed)
D. Faulty fuse holder Replace fuse holder on unit (access
cover must be removed)
E. Faulty power switch Replace power switch
F. Incorrect power supply voltage Connect unit to proper power supply
FRYER WILL NOT HEAT:
Power light ON; Heat light OFF
A. Heat Switch not placed in the HEAT,
or ON position
Place Heat Switch in the HEAT, or ON
position
FRYER WILL NOT HEAT:
Power light ON
Heat Switch in HEAT, or ON position
Heat Light is OFF
A. Temperature setpoint is below
actual oil temperature
Set controller to higher temperature,
if setpoint is correct, allow oil to cool
B. Drain Valve is open; alarm sound-
ing, error msg displayed
Close & lock Drain Valve, press alarm
reset on controller
C. Faulty unit Controller Replace Controller
D. Variable temperature sensor is
shorted, or open
Replace sensor
E. Loose or faulty wiring in heat con-
trol circuit
Inspect and repair wiring
F. Faulty Contactor Replace faulty Contactor
G. Faulty heating element Replace faulty element
H. Faulty Heat Switch Replace Heat switch
I. Low oil level Turn power switch OFF, add oil to
proper level
J. START key not pressed after power-
up.
Press START key to enter PREHEAT