Samsung AM038KXWDCH, Service Manual, Page: 85 / 295

Samsung Electronics 82
Troubleshooting
3. If the quantity of the indoor units configured with the indoor unit installation quantity setup switch does not match the quantity of the
indoor units found during the tracking process, E201 and U200 will be displayed in order on the display module.
4. When you install more than one MCU, set the quantity of installed MCU.
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Quantity of indoor unit [DIP S/W Type]
1. The following is an example of how to use the switch according to the number of
indoor unit installations.
2. The maximum number of possible indoor unit connections is 64.
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Quantity of indoor unit [Push Button Type]
Display Description
∙ Manual setting mode (Default).
- Press the K2 button shortly : Setting a 10-digit
- Press the K4 button shortly : Setting a 1-digit
∙ Automatic settings mode (Option)
Press and hold the K4 button : It is changed to the automatic setting mode,
and displays the number of the connected indoor unit.
(Ex. Of 10 indoor units are connected, "id 10" is indicated.)
- If press the K2, K4 button shortly in the automatic setting mode, it is changed to the manual
mode. (Ex. If 10 is indicated and press the K4 button, 11 is indicated and changed to the manual
mode.)
10’s Digit
(0~9)
1’s Digit
(0~9)
3Units Connected 17Units Connected 31Units Connected 64Units Connected
10’s Digit 1’s Digit 10’s Digit 1’s Digit 10’s Digit 1’s Digit 10’s Digit 1’s Digit
0 3 1 7 3 1 6 4
4-3 Appropriate Measures for Different Symptom (cont.)
4-3-1 Outdoor Unit Test Operation Flow (cont.)