Fan And Fan Housing - GE ZIS360NM Technical Service Manual

Fan and Fan Housing

The 12 VDC fan is controlled by the main control board. The main control board turns the fan on and off
based on input from the Climate Control Drawer control board and thermistor. The fan should always
come on any time Express Chill or Express Thaw is selected.
Troubleshooting
Turn on Express Chill.
Check for 12 VDC at
main control board
between J2-8 and J2-7.
12 VDC present?
Check for 12 VDC
at fan connector.
12 VDC present?
·
Open circuit between
fan connector and fan.
·
Faulty fan.
Removal
1. Remove Climate Control Drawer top panel.
2. Loosen 2 bottom screws, remove 2 top
screws, and remove air diffuser from fan
housing.
NO
Check communication
using diagnostic mode.
Communication pass?
YES
YES
Replace main
control board.
Open circuit
between main
NO
control board and
fan connector.
YES
NO
·
Open circuit between J4-1 and
Climate Control Drawer control
board terminal 1.
·
Faulty Climate Control drawer
control board.
·
Faulty main control board.
Screws (Remove)
Screws (Loosen)
Flat Surface
– 38 –
Tabs
Air
Diffuser