GE JVM1790CK01 Service Manual page 35

- PROBLEM (C) -
Damper fail to operate.
Microwave
Cook
• Program time cook
30 min
Press start
• After a few seconds open
the door.
• Damper is open.
YES
Control Replace
system Damper
normal motor
YES
Control
system
normal
NO
NO
Replace
smart
board
Convection
Cook
• Remove neon light
• Program bake cook
• 225°F (use dial)
• Press start
• Display "PREHEAT OFFSET ON"
• Ready beep
• Cycle 225°F
• Open the door.
• Dampe is closed.
YES
Control Replace
system Damper
Motor
normal
YES
Control
system
normal
7-23
NO
NO
Replace
smart
board