Chapter 3: Troubleshooting Guide; Fryers - Pitco frialator MG14S-C/MFD Serviceanleitung

Fryers:

It is assumed that, before starting any troubleshooting, the power is turned on and the gas lines are connected
correctly.
PROBLEM
Computer does not come on
nothing shows in either display
Computer heat light comes on
but burners do not heat
Computer display shows "OFF"
and cannot be turned "ON"
Heat Light ON, Computer shows A. Heat Demand Relay
"IGNITION" "FAILURE"
No Spark heard, blower IS
running
Spark sound can be heard,
Blower NOT running
Spark sound can be heard,
Blower IS running but main
burners do not run
Burner comes ON for short
time, does not come back on
Computer controls left side of
split vat only

Chapter 3: TROUBLESHOOTING GUIDE

PROBABLE CAUSE
A. Main circuit breaker is turned off
B. Fryer fuse is blown
C. Transformer
A If the oil is hot the Hi Limit may be
tripped
A. Computer
B. F2 Fuse may be blown
C. Blower
D. Pressure Switch
E. Gas Valve
F. Ignition Module (One or both)
G. Gas Valve Relay (Full Vat Only)
H. Tripped or defective Hi Limit
A. Heat Demand Relay
B. Ignition Control Module
C. Spark Ignitor
A. F2 fuse blown
B. Blower
C. Heat Demand Relay
A. Ignition Control Module
B. Gas Valve Relay (Full Vat Only)
C. Bad Pressure Switch
D. Tripped or defective Hi limit
E. Gas Valve
A. Flame Sensor
B. Ignition Control Module
C. Gas Valve
A. Wiring harnesses attached in wrong
order
6
CORRECTIVE ACTION
A. Locate the correct circuit breaker and
turn OFF and back ON again.
B. Check and Replace as needed
C. Check Transformer
A. Allow the oil to cool, the Hi Limit will
reset when the temperature falls. Turn the
computer OFF and back ON again.
Press the reset switch.
A. Switch circuit breaker OFF and ON
again to try to reset computer, if this
does not remedy the problem, replace
computer.
A. Check Heat Demand Relay.
B. Check and replace as needed.
C. Check and replace as needed.
D. Check and replace as needed.
E. Check and replace as needed.
F. Check and replace as needed.
G. Check and replace as needed.
H. Allow the oil to cool, the Hi Limit will
reset when the temperature falls. Turn
the computer OFF and back ON again
to reset the computer. Press the reset
switch. Check and replace is needed.
A. Check and replace where needed.
B. Check and replace where needed.
C. Check and replace where needed.
A. Check and replace where needed.
B. Check and replace where needed.
C. Check and replace where needed.
A. Check and replace where needed.
B. Check and replace where needed.
C. Check and replace where needed.
D. Check and replace where needed.
E. Check and replace where needed.
A. Check and replace where needed.
B. Check and replace where needed.
C. Check and replace where needed.
A. Remove power to machine, power up
again.
Unplug both sides of computer, plug in