Fan Ipm Overheat Error - Samsung AM007FN1DCH/AA Service Manual
System airconditioner
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Also See for AM007FN1DCH/AA:
- Service manual (344 pages) ,
- Service manual (404 pages) ,
- Service manual (233 pages)
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Troubleshooting
4-4-70 Fan IPM Overheat error
Outdoor unit
display
Judgment
∙ IPM internal temperature more than 85°C (E455, E355)
Method
Cause of prob-
∙ Heat sink and IPM assembly defective.
∙ Defective heat sink cooling
lem
1. Cause of problem
Did check the foreign objects between
Is the bolt of the heat sink fully tightened?
Did check the foreign objects between
4-104
(FAN1 PCB)
(FAN2 PCB)
Power Off
the heat sink pin?
Yes
Yes
the heat sink and IPM?
Yes
Complete
No
Remove foreign objects
*Cold heat sink assembly defect occurs.
No
Remove foreign objects and
No
apply the heat sink grease.
And then reassembly
Tighten Bolt
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Table of Contents
Troubleshooting
