Pitco AG14S, Service Manual

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7
TROUBLESHOOTING GUIDE
Fryers:
It is assumed that, before starting any troubleshooting, the power is turned on and the gas lines are con-
nected correctly.
PROBLEM PROBABLE CAUSE CORRECTIVE ACTION
Computer does not come on A. Power Switch is NOT turned ON A. Press switch to the ON position.
nothing shows in either display B. Main circuit breaker is turned off B. Locate the correct circuit breaker and
C. Fryer fuse is blown turn OFF and back ON again.
D. Transformer C. Check and Replace as needed
D. Check Transformer
Computer heat light comes on A If the oil is hot the Hi Limit may be A. Allow the oil to cool, the Hi Limit will
but burners do not tripped reset itself. Turn the computer OFF and
B. Ignition Lockout back ON again to reset the computer.
B. Check gas supply, Flame Sensor,
Hi Limit, Gas Valve, Ignition Control
Module/s, Pressure Switch (Full Tank),
Gas Cut Off Relay (Full Tank), Blower
(Full Tank)
No Spark heard, blower IS A. Heat Demand Relay A. Check and replace where needed.
running B. Ignition Control Module B. Check and replace where needed.
C. Spark Ignitor C. Check / adjust / replace where needed.
Spark sound can be heard, A. F2 fuse blown A. Check and replace where needed.
Blower NOT running B. Blower B. Check and replace where needed.
C. Heat Demand Relay C. Check and replace where needed.
Spark sound can be heard, A. Ignition Control Module A. Check and replace where needed.
Blower IS running but main B. Gas Valve Relay (Full Tank Only) B. Check and replace where needed.
burners do not run C. Defective Pressure Switch C. Check and replace where needed.
D. Tripped or defective Hi limit D. Check and replace where needed.
E. Gas Valve E. Check and replace where needed.
Burner comes ON for short A. Flame Sensor A. Check / adjust / replace where needed.
time, does not come back on B. Ignition Control Module B. Check and replace where needed.
C. Gas Valve C. Check and replace where needed.