6-2
6.2 Troubleshooting Fryers with Solid State (Analog), Digital or CM III.5 Controllers
PROBLEM PROBABLE CAUSES CORRECTIVE ACTION
Burner will not
light.
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.
E. Failed controller.
E. If available, substitute controller
known to be good for suspect
controller. If fryer operates
normally, order replacement
controller from FAS.
CM III.5 display
shows .
Failed controller.
Failed temperature probe.
If available, substitute controller
known to be good for suspect
controller. If fryer operates
normally, order replacement
controller from FAS. If the fryer
doesn’t operate properly, have the
temperature probe circuit tested.
Call FAS.
Unit stays in melt
cycle continuously.
Failed controller.
Failed temperature probe.
If available, substitute controller
known to be good for suspect
controller. If fryer operates
normally, order replacement
controller from FAS. If the fryer
doesn’t operate properly, have the
temperature probe circuit tested.
Call FAS.
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