Setting An Indoor Unit Address And Installation Option; Setting The Indoor Unit Addresses Automatically - Samsung AR07TSFABWKN Service Manual

Troubleshooting

4-2 Setting an indoor unit address and installation option

• This product is prohibited one indoor unit installation. Don't use pipe checking operation and auto addressing
mode when one indoor unit is installed.
CAUTION
AJ020TXJ2CH, AJ024TXJ3CH
- PCB MAIN - OUT
1. Turn on the outdoor unit, and then check whether the display 1/2 indications are displayed "E199" code.
• If different display code is shown, see Troubleshooting on page 40 and take corrective actions.
2. Push once the K1 button.
3. After the operations described above have been performed, the system starts in Cooling or Heating mode,
depending on the external ambient temperature. After a few minutes (from a minimum of 3 to 5 minutes for the
internal unit), the system stops automatically, completing the self-test and addressing procedure.
4. " " appears on the display of the outdoor unit. 20 seconds after the display of "
confirms the correct execution of the procedure), the following codes (if four internal units are connected)
display in sequence on the display of the outdoor unit:
Display1 Display2
The outdoor unit is communicating correctly with the indoor unit connected to refrigerant pipe A.
The outdoor unit is communicating correctly with the indoor unit connected to refrigerant pipe B.
The outdoor unit is communicating correctly with the indoor unit connected to refrigerant pipe C.
The outdoor unit is communicating correctly with the indoor unit connected to refrigerant pipe D.
The outdoor unit is communicating correctly with the indoor unit connected to refrigerant pipe E.
At this point it is possible to start the internal units in the desired mode.
NOTE
manual before repeating the operating described in steps 1-2-3-4.
4-6
- PCB MAIN – OUT
(AJ020TXS3CH, AJ***TX*4CH, AJ***TX*5CH)
Description
" (that
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