Troubleshooting Fryers With Thermostat Controls - Frymaster 47 Series Installation & Operation Manual

PROBLEM
CM III displays
as it comes out of
melt cycle
OR
Heating mode
indicator does not
come on at all.
Heating mode
indicator is on but
fryer is not heating
properly.
CM III, Basket Lift
Timer, or Digital
Controller LED
display shows
or .
6.3

Troubleshooting Fryers with Thermostat Controls

PROBLEM
Burner does not
light.
Unit will not go into
melt cycle when
switch is in the ON
position or stays in
melt cycle when
switch is in the OFF
position.
Fryer never reaches
frying temperature.
PROBABLE CAUSES
A. Setpoint incorrect.
B. Temporary controller malfunction
caused by voltage surge.
C. Failed controller.
A. Burner is not lit.
B. Failed controller.
Serious problem with the heating
system.
Probable Causes
A. Pilot is not lit.
B. Drain valve not fully closed.
C. No gas being supplied to unit.
Failed melt cycle switch.
Failed thermostat or thermostat out of
calibration.
CORRECTIVE ACTION
A. Verify that setpoint has been
properly entered.
B. Disconnect unit from electrical
power, wait at least one minute,
and reconnect unit to the power
supply.
C. If available, substitute controller
known to be good for suspect
controller. If fryer operates
normally, order replacement
controller from FASC.
A. Refer to Burner will not light
problem on page 6-3.
B. If available, substitute controller
known to be good for suspect
controller. If fryer operates
normally, order replacement
controller from FASC.
Turn fryer off immediately and call
the Frymaster Hotline (1-800-551-
8633).
A. Light pilot per instructions in
Chapter 3 of this manual.
B. Verify drain valve is fully closed.
C. Verify that the gas line quick
disconnect is properly connected,
cutoff valves between the fryer
and the gas main are open, and the
main gas cutoff valve is open.
Melt cycle switch must be replaced.
Call FASC.
Isolating the problem requires
additional troubleshooting beyond the
scope of operator troubleshooting.
Call FASC.
6-3
Corrective Action