Frymaster 35 Series - CHAPTER 6: Operator Troubleshooting; Fryer Troubleshooting Guide

35 SERIES GAS FRYERS
CHAPTER 6: OPERATOR TROUBLESHOOTING
6-1
6.1 Fryer Troubleshooting Guide
WARNING: Inspection, testing and repair of electrical equipment should be performed by qualified
service personnel ONLY. Unplug the unit before servicing except when electrical tests are required.
DANGER: USE EXTREME CARE DURING ELECTRICAL CIRCUIT TESTS. LIVE CIRCUITS
WILL BE EXPOSED.
NOTE: This guide does not include every possible problem and cause. Careful observation of all
malfunction indications are logical troubleshooting will be helpful in correcting the problem. See
Service Procedures to replace fryer components.
Problem Probable Cause Corrective Action
A. Pilot not lit.
A. Light pilot
B. Bad gas valve B. Replace gas valve
C. Thermostat wires damaged or broken C. Repair or replace thermostat wires.
D. Thermostat set too low. D. Increase thermostat setting.
E. Thermostat out of calibration E. Recalibrate. See Service Procedures.
Thermostat does not
call for heat, does
not energize gas
control valve at all.
F. Thermostat bad F. Replace thermostat
A. Thermostat out of calibration. A. Recalibrate thermostat. See Service
Procedures.
Thermostat does not
control at set point.
B. Contaminated thermostat contacts. B. Replace thermostat.
A. Automatic gas valve knob turned to OFF
position
A. Turn gas valve to pilot position, light pilot.
B. Low pilot flame (will not hold pilot). B. Adjust pilot flame to 11/2” in (38 mm)
C. Clogged pilot orifice. C. Remove, clean pilot orifice. Reinstall.
D. Pilot burner clogged around pilot
generator.
D. Remove pilot burner. Clean burner
E. Pilot flame blowing away from pilot
generator (excessive draft in kitchen).
E. Eliminate draft in kitchen
F. Pilot generator not inserted fully into pilot
burner.
F. Reinsert pilot generator into pilot burner
until flame surrounds tip.
G. Pilot generator low output G. Replace pilot generator
H. High resistance in hi-limit thermostat
contacts.
H. Replace hi-limit thermostat
I. Defective pilot magnet in gas valve. I. Replace gas valve.
Pilot Outage
J. Corroded connection where pilot
generator connects to gas valve.
J. Clean pilot generator connection at gas
valve.