Frymaster Dean FPHD - Manual (Page 41)

HIGH EFFICIENCY DECATHLON SERIES GAS FRYERS
CHAPTER 1: SERVICE PROCEDURES
1-36
1.9 Troubleshooting Guides
The following troubleshooting guides are intended to assist service technicians in quickly isolating
the probable causes of equipment malfunctions by following a logical, step-by-step process.
PROBLEM PROBABLE CAUSES CORRECTIVE ACTION
Burner will not ignite.
Light in ON/OFF switch
is not illuminated.
A. ON/OFF switch is off. A. Turn ON/OFF switch on.
ON/OFF switch is on,
but the switch light is not
illuminated.
A. No voltage at switch. A. Ensure line voltage is present at the
switch.
A. Drain microswitch circuit (filter-
equipped units) is open.
A. Ensure drain valve is fully closed and
microswitch is functioning. Replace
microswitch if defective.
B. Voltage is present at ON/OFF switch,
but continuity of the switch in ON
position is not "0.”
B. ON/OFF switch is defective. Replace
switch with a known working switch.
C. Continuity of thermostat is not "0"
(oil temperature is at least 15°F below
electronic thermostat setting).
C. Thermostat(s) is/are defective.
Replace defective thermostat with a
known working thermostat.
ON/OFF switch is on and
the switch light is
illuminated, but there is
no output to gas valve.
D. Gas valve is suspect. D. Go to "No burner flame" section.