Troubleshooting Fryers With Solid State (Analog), Digital Or Cm Iii Controllers Or Basket Lift Timers - Frymaster 47 Series Installation & Operation Manual

6.2 Troubleshooting Fryers with Solid State (Analog), Digital, or CM III Controllers
or Basket Lift Timers
PROBLEM
Burner will not
light.
Solid state (analog)
controller power and
trouble lights on, but
heat light is not,
OR
LED display shows
.
Unit stays in melt
cycle continuously.
CM III will not go
into programming
mode.
PROBABLE CAUSES
A. Pilot not lit (units w/pilot ignition
only).
B. Drain valve open.
C. No electrical power to unit.
D. No gas being supplied to unit.
E. Blown fuse on ignition module or
interface board (units w/electronic
ignition only).
F. Failed controller.
Failed controller.
Failed controller.
A. Temporary controller malfunction
caused by voltage surge.
B. Failed controller.
CORRECTIVE ACTION
A. Light pilot per instructions in
Chapter 3 of this manual.
B. Verify that drain valve is fully
closed.
C. Verify that unit is plugged in and
that circuit breaker is not tripped.
D. Verify that the gas line quick
disconnect is 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. Replace fuse per instructions in
Section 6.6 of this manual.
F. If available, substitute controller
known to be good for suspect
controller. If fryer operates
normally, order replacement
controller from FASC.
If available, substitute controller
known to be good for suspect
controller. If fryer operates
normally, order replacement
controller from FASC.
If available, substitute controller
known to be good for suspect
controller. If fryer operates
normally, order replacement
controller from FASC.
A. Disconnect unit from electrical
power, wait at least one minute,
reconnect unit to the power
supply and turn controller on.
B. If available, substitute controller
known to be good for suspect
controller. If fryer operates
normally, order replacement
controller from FASC.
6-2