Samsung AVMKH020EA0 Service Manual page 178

8-1-1. Initial tracking (communication check) - E2 indicated if abnormal
1. When the power is on, the MICOM of outdoor unit check the
indoor units, wired remote controller and transmitters installed
in the same system, which is called as Tracking.
1) The left side display shows the address of indoor unit with which the
outdoor unit is trying to communicate.
(0-1-2- . . . -d-E-F)
2) The right side display shows the address of indoor unit responding to the
communication.
3) The right side display displays together when the related indoor unit
address displays at the left side.
(For example, if there is 4 sets of indoor units having the address of 0, 1, 2, 3
at the outdoor unit, and when the left side display trying to communicate to
0 -1-2- ... d-E-F, the right side displays 0-1-2-3 only when the left side is 0-1-2-3.)
2. To check the numbers of indoor unit connected with outdoor unit by use of indoor unit
numbers setting switch.
1) Cooling only
- 177 - - 177 -
Troubleshooting
Right
Display of outdoor unit
Display
Reset key
Indoor unit numbers
setting switch