31
B. TROUBLESHOOTING THE DIRECT SPARK IGNITION (DSI) SYSTEM

NOTE: The troubleshooting information provided in this manual is intended for use by qualified

service technicians only. OBSERVE

ALL SAFETY PRECAUTIONS displayed on the

equipment or specified in the AD-410 Installation/Operator's Manual (ADC Part No. 112249)

included with the dryer.

IMPORTANT: UNDER NO CIRCUMSTANCES SHOULD ANY SAFETY or HEAT

CIRCUIT DEVICES EVER BE DISABLED.

Available From ADC

MANOMETER

USED TO MEASURE GAS PRESSURE I N INCHES
OF WATER COLUMN (W.C.)
THE FOLLOWING PIECES O F TEST EQUIPMENT W ILL BE REQUIRED T O TROUBLESHOOTTHIS SYSTEM WITH MINIMAL TIME AND EFFORT

DSI IGNITOR GAP FEELER GUAGE (1/8")

USED FOR CHECKINK GAP BETWEEN I GNITOR/FLAME-PROBE
ASSEMBY AND SPARK ELECTRODE

Available From ADC

MULTIMETER / VOLTMETER

FOR MEASURING VOLTAGE