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Troubleshooting - Samsung AVMKH020EA0 Service Manual

System air conditioner dvm series
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8

Troubleshooting

8-1. Operation flow of outdoor unit
Is preheating of CCH completed?
Power on
Yes
Tracking completed?
Yes
Is 3 phase power OK?
Yes
Yes
Normal operation
No
E2 error(tracking error)
No
P4 error (reverse phase/
open phase error)
No
- 176 -
Preheating CCH
(For 2.5 hours)

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