Model Mismatching Of Indoor Unit - Samsung AM072/096/120/144FXVAFH Service Manual

Troubleshooting

4-4-56 Model mismatching of Indoor unit.

Outdoor unit display
∙ Prior to July 2011, if the software version of the indoor unit.
Judgment Method
∙ Prior to July 2011, if the software version of the indoor unit.
∙ Check the software version of the indoor unit.
Cause of problem
∙ Check whether the support of the indoor unit.
1. Cause of problem
Does connected
indoor unit become compatible with
Is software version of
indoor unit since July, 2011?
Replace indoor unit PCB
4-116
Power On
DVM INV?
Yes
Yes
No
Replace the indoor unit that is
compatible with the DVM INV.
No
Software upgrade
Samsung Electronics