Service manual

M411429 25

Section 3 Troubleshooting

To reduce the risk of electric shock, fire, explosion, serious injury or death:

• Disconnect electric power to the tumbler before servicing.

• Close gas shut-off valve to gas tumbler before servicing.

• Close steam valve to steam tumbler before servicing.

• Never start the tumbler with any guards/panels removed.

• Whenever ground wires are removed during servicing, these ground wires must be

reconnected to ensure that the tumbler is properly grounded.

W002

WARNING

25. SPARK TO PILOT BURNER — NO PILOT FLAME

(Electronic Pilot Ignition Models Only)

24 VOLTS BETWEEN

TERMINAL 1 AND

GROUND ON

ELECTRONIC

PACKAGE

YES

GAS PRESENT AT

PILOT BURNER

(Disconnect white wire

from Terminal 3 and

light manually)

YES

REPLACE

ELECTRONIC

PACKAGE

REMOVE BLACK WIRE

FROM TERMINAL 1.

MOMENTARILY TOUCH TO

TERMINAL 2; IS “CLICK”

HEARD?

REFER TO

“NO SPARK TO

PILOT BURNER”

CLEAR

OBSTRUCTION

PILOT FILTER,

TUBE OR

ORIFICE

OBSTRUCTED

YES

REPLACE RIGHT COIL

(PILOT OPERATOR)

YES