Troubleshooting
310 Samsung Electronics
4-4-86 Model mismatching of Indoor unit.
Outdoor unit display
Judgment Method
Prior to July 2011, if the software version of the indoor unit.
Prior to July 2011, if the software version of the indoor unit.
Cause of problem
Check the software version of the indoor unit.
Check whether the support of the indoor unit.
Power On
Yes
Yes
Does connected
indoor unit become compatible with
DVM INV?
Replace the indoor unit that is
compatible with the DVM INV.
Software upgrade
Replace indoor unit PCB
No
No
Is software version of
indoor unit since July, 2011?
1.
Cause of problem
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