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SPARK IGNITION TEST
If the ignition control module is not generating a spark
or the spark is not sufficient to light kettle burner,
perform the following test.
Fig. 42
1. Access ignition control module in KETTLE
CONTROL AREA.
2. Turn the on/off switch on and set the temperature
dial to call for heat. Tilting models must be in the
full upright position.
3. Verify the ignition control module is receiving
24VAC between terminals 25V & 25V GND.
A. If voltage is present, turn the on/off switch
off and proceed to step 4.
B. If voltage is not present, see schematic
diagram.
4. Disconnect power to the machine.
5. Verify all electrical connections (including
ground) on the ignition control module are
secure.
6. Access SPARK IGNITOR.
7. Verify the ground connection on spark ignitor is
clean and secure. The ground connection should
have good metal to metal contact.
8. Remove spark ignitor and check the following:
A. Inspect the ceramic insulator on spark
ignitor electrode for cracks or evidence of
exposure to extreme heat, which can permit
leakage to ground. If either of these
conditions exists, then install a replacement
spark ignitor.
B. Inspect the spark ignitor electrode and
ground rod for contaminates, or corrosion.
Clean those surfaces as necessary.
C. Spark gap between the spark ignitor
electrode and ground rod should be
approximately 1/8". If the gap is outside of
this dimension, bend the spark ignitor
electrode as necessary, to make the
adjustment.
Fig. 43
D. Check the ignitor wire connection for
tightness and damaged insulation. If the
ignitor wire appears to be damaged, then
install a replacement ignitor wire.
9. Install spark ignitor and reconnect ignitor wire.
FLAME SENSE CURRENT TEST
NOTE: You must complete the SPARK IGNITION
TEST prior to checking flame sense current.
If kettle burner lights but will not maintain flame,
perform the following test.
1. Turn the on/off switch off.
2. Access ignition control module in KETTLE
CONTROL AREA.
K Series Gas Kettles 2/3 Jacketed Stationary and Tilting - SERVICE PROCEDURES AND ADJUSTMENTS
F45461 Rev. A (0713) Page 24 of 44