Troubleshooting
Samsung Electronics 4-33
4-4-25 Radiator overheating error
Indoor unit display
Outdoor unit display
◎
(YEL)
●
(GRN)
●
(RED)
1. Cause of malfunction
1) Faulty IPM/PFCM screw connection condition
2) Problematic fan speed
3) Replace ass'y control out
2. Check procedure
No
No
Reconnect screw
Re-check item E458
Yes
Yes
Pull out power cords for the indoor unit
And the outdoor unit
Replace ass’y control out
(A new EEPROM IC must be inserted)
Is the iPM/PFCM screw
Connection condition satisfactory?
Is the fan speed satisfactory?
Detach ass’y control out cover
After assembling the ass’y control out
cover plug in the power cords of the indoor unit
And outdoor unit and turn power on
S Equipment claims must be made at a service center for the EEPROM ic.
Please refer to page 4-33 for equipment code.
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