Clogged pilot orifice, Loose/corroded wire connections, Low or no voltage out of thermopile – Frymaster 35 Series User Manual

Page 16

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1-12

6. Basket Lift malfunctions.
The probable causes of each category are discussed in the following sections. A series of
Troubleshooting Guides is included at the end of the chapter to assist in identifying some of the
more common problems.

1.9.1 Pilot Failures

There are two categories: no pilot flame and unreliable flame.

No pilot flame

1. No gas or insufficient gas supply

2. Clogged pilot orifice

3. Air in gas lines ( usually in new installations)

Unreliable flame

1. Open or grounded high limit

2. Loose/corroded wire connections

3. Low or no voltage out of thermopile

4. Bad gas valve

1.9.2 Problems Related to the Gas and/or Electrical Current

CONTROL CIRCUIT FOR THE 35 SERIES MILLIVOLT IGNITION SYSTEM

2C

1C

8050438B

THERMOSTAT

OPERATING

FENWALL

ROBERTSHAW

HONEY

W

E

L

L 1

/2

P.

S.

I.

1/2 P.S.I.

HONEYWELL

OF

F

ON

PIL

OT

C

HONE

YW

EL

L

1/2 P

.S

.I.

ADJ.

PIL

OT

OFF 4

00

3

5

0

30

0

25

0

2

0

0

OPERATING

THERMOSTAT

HI-LIMIT

THERMOSTAT

PILOT

GENERATOR

INSET 1
SAFETY DRAIN
SWITCH

INSET 2
ON/OFF
SWITCH
(OPTIONAL)

17C

17C

12C

IN LINE SPLICE

IN LINE SPLICE

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