GE ZIS 360DM, Technical Service Manual

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Fresh Food Warm - Freezer Normal
Diagnostic Flowcharts
Check control settings and temperatures.
Food at setting of 37 ˚F and 0 ˚F with no door
openings for 12 hours should be:
Fresh food 34 ˚F to 42 ˚F
Freezer -8 ˚F to +6 ˚F
Control settings
require adjustment
Adjust settings and allow
24 hours to stabilize.
Control settings OK
Basic refrigerator checks:
Door gasket seal OK?
Door switch - light turning off with door closed?
NO
Repair as
necessary.
Set temperature controls to 37 ˚F and 0 ˚F.
Disconnect power.
Reconnect power.
Does damper door open immediately after
reconnecting power?
Go to Damper Door Not Operating
flowchart.
NO
Yes
Is the airflow within the fresh food normal?
Look for blockage at vents
or heavy frost on
evaporator cover.
NO
Go to Heavy Frost on Evaporator
flowchart.
Remove blockage
from vent area.
Blockage
Check sealed system.
Does sealed system check OK?
Unit tests OK.
Run checks again.
Reset electronics by disconnecting
power for 15 seconds.
Look for usage problem.
Repair
sealed system.
NO
Yes
Yes
Is evaporator fan running?
Go to Evaporator Fan
Not Running flowchart.
NO
Verify thermistors are within proper range
using the thermistor values chart.
Is the resistance within range?
YES
Check wiring connections.
If wiring is OK, replace
thermistor.
NO
Heavy frost
YES