Radiator Overheating Error - Samsung AF28FVSDA N Series Service Manual

4-4-25 Radiator overheating error

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