8
L22-238 Rev 0 (08/03)
Fryer Trouble Shooting
PROBLEM
POSSIBLE CAUSE
ACTION
Computer will NOT turn ON
Display does NOT light
A. No power to the machine
B. F1 Fuse blown
C. T1A Transformer
A. Check building circuit breaker, verify
power cord is plugged in
B. Check F1A Fuse. Replace if defective
C. Check voltage in and out of T1A
Computer shows "IGNITION
FAILURE" or "HEAT FAIL" and
machine does NOT heat.
A. Hi limit tripped
B. Heat demand relay
C. Relay board
A. Once the oil temp has gone below
375°F + 20°, the Hi-limit should reset
automatically, if not, replace Hi-limit
B. Check & replace if defective
C. Check & replace if defective
Machine is heating slowly
A. Side On contactor
B. Heat Demand contactor
C. Element
D. Loss of power on one leg of 3
phase input power
A. Check & replace if defective
B. Check & replace if defective
C. Check & replace if defective
D. Check input power. Repair or call a
qualified electrician
Oil is hotter or colder than computer
/controller displays
A. Temperature calibration
B. Probe
C. Probe wiring terminals
A. Adjust temperature offset up to +10°F
B. Check & replace if defective
C. Clean or repair terminals
Computer displays "DRAINING" or
"TURN OFF"
A. Blue drain valve not fully closed
B. Sensor switch
C. Incorrect switch gap/alignment
A. Check position of handle
B. Switch may be loose or have loose
wires, replace if defective
C. Check gap/alignment, replace if defective
Computer heat demand lights are lit,
machine does not heat. HD & SO
lights on relay board are lit.
A. Side on contactor
B. Heat demand contactor
C. Unit not getting 3 phase power
A. Check & replace if defective
B. Check & replace if defective
C. Check circuit breaker, is 3 phase power
cord plugged in all the way
Computer displays "PROBE
FAILURE"
A. Shorted probe
B. Open probe
C. Probe wiring terminals
A. Check probe & replace if defective
B. Check probe & replace if defective
C. Clean or repair terminals
Содержание SEH50
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