Heatilator • Caliber CD Series • 4040-263 Rev M • 06/08
59
B. Intelli
fi
re Ignition System
(continued)
Symptom
Possible Cause
Corrective Action
4. Pilot lights but continues
to spark, and main burner
will not ignite. (If the pilot
continues to spark after
the pilot
fl
ame has been lit,
fl
ame recti
fi
cation has not
occurred.)
A. A shorted or loose connection
in
fl
ame sensing rod.
Verify all connections to wiring diagram in manual. Verify
connections underneath pilot assembly are tight. Verify connections
are not grounding out to metal chassis, pilot burner, pilot enclosure
or screen if present, or any other metal object.
B. Poor
fl
ame recti
fi
cation or
contaminated
fl
ame sensing
rod.
With
fi
xed glass assembly in place, verify that
fl
ame is engul
fi
ng
fl
ame sensing rod on left side of pilot hood. Flame sensing rod
should glow shortly after ignition. Verify correct pilot ori
fi
ce is
installed and gas inlet is set to pressure speci
fi
cations.
C. Module is not grounded.
Verify module is securely grounded to metal chassis of appliance.
Verify that wire harness is
fi
rmly connected to the module.
D. Damaged pilot assembly or
contaminated
fl
ame sensing
rod.
Verify that ceramic insulator around the
fl
ame sensing rod is not
cracked, damaged, or loose. Verify connection from
fl
ame sensing
rod to white sensor wire. Clean
fl
ame sensing rod with emery cloth
to remove any contaminants that may have accumulated on
fl
ame
sensing rod. Verify continuity with a multimeter with ohms set at
lowest range. Replace pilot if any damage is detected.
E. Module.
Turn ON/OFF rocker switch or wall switch to OFF position. Remove
ignitor wire “I” from module. Place ON/OFF rocker switch or wall
switch in ON position. If there is no spark at “I” terminal module
must be replaced. If there is a spark at “I” terminal, module is
fi
ne.
