Monessen • Mojo Installation/Owner’s Manual • 4623-900 Rev. D • 04/21
40
Intellifire® Plus with ODS Ignition System (continued)
Symptom
Possible Cause
Corrective Action
5. Pilot lights but contin
-
ues to spark, and main
burner will not ignite.
(If the pilot continues
to spark after the
pilot flame has been lit,
flame rectification has
not occurred.)
A. A shorted or loose connection from
thermocouple or thermocouple module.
Verify all connections to wiring diagram in manual. Verify
connections underneath pilot assembly are tight. Verify
flame sense or igniter wires are not grounding out to metal
chassis, pilot burner, pilot enclosure or screen if present, or
any other metal object.
B. Poor flame rectification or contaminated
flame sensing rod.
Verify correct pilot orifice is installed and gas inlet is set
to pressure specifications. Check pilot for soot. Clean if
necessary. Polish flame sensing rod with fine steel wool to
remove any contaminants that may have accumulated on
flame sensing rod.
C. Module is not grounded.
Verify module is securely grounded to metal chassis of ap
-
pliance. Verify that wire harness is firmly connected to the
module.
D. Damaged pilot assembly or contami
-
nated thermocouple.
Verify connection from thermocouple to thermocouple mod
-
ule, check thermocouple for contaminants. Clean if neces
-
sary. Replace pilot if any damage is detected.