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CF SERIES GAS FRYERS
CHAPTER 6: OPERATOR TROUBLESHOOTING
6-2
6.2 Troubleshooting Fryers with Solid State (Analog), Digital, or CM III.5
Controllers
PROBLEM PROBABLE CAUSES CORRECTIVE ACTION
A. Pilot not lit.
A. Light pilot per instructions in
Chapter 3 of this manual.
B. Drain valve open.
B. Verify that drain valve is fully
closed.
C. No electrical power to unit.
C. Verify that unit is plugged in and
that circuit breaker is not tripped.
D. No gas being supplied to unit.
D. Verify that the gas line
connections are properly
connected, that any cutoff valves
between the fryer and the gas
main are open, and that the main
gas cutoff valve is open.
Burner will not
light.
E. Failed controller.
E. If available, substitute controller
known to be good for suspect
controller. If fryer operates
normally, order replacement
controller from FASC.
Solid state (analog)
controller power and
trouble lights on, but
heat light is not,
OR
CM III.5 display
shows .
Failed controller.
If available, substitute controller
known to be good for suspect
controller. If fryer operates
normally, order replacement
controller from FASC.
Unit stays in melt
cycle continuously.
Temperature probe or controller has
failed.
If available, substitute controller
known to be good for suspect
controller. If fryer operates
normally, order a replacement
controller. If substitution does not
resolve the problem, the most likely
cause is a failed temperature probe.
CM III.5 will not go
into programming
mode.
A. Temporary controller malfunction
caused by voltage surge.
A. Disconnect unit from electrical
power, wait at least one minute,
reconnect unit to the power
supply and turn controller on.