Model Mismatching Of Indoor Unit - Samsung AM007FN1DCH/AA Service Manual

4-4-84 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
indoor unit become compatible with
indoor unit since July, 2011?
Samsung Electronics
Power On
Does connected
DVM INV?
Yes
Is software version of
Yes
Replace indoor unit PCB
No
Replace the indoor unit that is
compatible with the DVM INV.
No
Software upgrade
Troubleshooting
4-117