GE JGP989 Technical Service Manual page 22

Problem Possible Causes
Poor Venting
Clogged filter.
House too airtight.
Wall cap obstructed.
Wall cap damper door
stuck.
Duct length exceeds
recommended 100
equivalent ft. maximum.
Faulty blower switch.
Faulty blower motor.
Blower connection not
made.
– 20 –
What to Do
• Clean filter per instructions.
• Open a window slightly to provide fresh air source.
• Remove blockage from exterior wall cap.
• Check exterior wall cap damper door for free move-
ment or obstruction.
• Have homeowner reduce number of elbows to simplify
duct run.
• Check continuity of switch and replace if defective.
• Check capacitor.
• Check continuity of blower motor and replace blower
assembly if defective.
• Fasten 5-pin connection to mating connector on
bottom of cooktop.