4-10 Samsung Electronics
Indoor unit display
(Indoor unit Outdoor unit communications error)
(Indoor unit tracking error)
(Indoor unit normal operation communications error)
Outdoor unit display
○
(YEL)
◎
(GRN
) ●
(RED) - when E201
◎
(YEL)
●
(GRN)
●
(RED) - when E202
1. Cause of malfunction
1) When communications between Indoor unit and Outdoor unit stop for 3 minutes
2) Disconnected or loosely connected communications cable between Indoor unit and Outdoor unit
3) Problematic power for Outdoor unit or faulty Outdoor unit PBA
4) Problematic Faulty Main PBA of Indoor unit
2. Check procedure
Replace or tighten communications cable
Replace Outdoor unit PBA
(A new EEPROM IC must be inserted)
Unplug Indoor unit and Outdoor unit
power cords
After removing the ass’y control out
cover plug in the indoor unit and outdoor
unit power cords and turn power on
Yes
No
Is there a
disconnected or loosely connected
communications cable between the Indoor
unit and Outdoor unit?
Is the power of the Outdoor unit normal?
End
No
No
Is the power of the Outdoor unit normal?
Does the same problem occur
Even after replacing the indoor unit
Main-PBA?
Yes
Yes
S Equipment claims must be made at a service center for the EEPROM IC.
Please refer to page 4-33 for equipment code.
4-4 Troubleshooting by symptoms
4-4-1 Indoor unit Outdoor unit communications error
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