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In case of central remote controller (TCB-SC642TLE)
1. Confirmation and check
When a trouble occurred on the air conditioner, the check code and the indoor unit No. are displayed on the
display section of the remote controller.
The check code is displayed while the air conditioner operates.
If the display disappeared, operate the air conditioner and check the error based upon the following “Confir-
mation of error history”.
UNIT No.
Alternate flashing display
R.C No.
Unit No display Alarm display
SELECT ZONE
CL
SET
GROUP
CODE
No.
UNIT No.
No.
R.C.
TEST
ZONE
ALL
ZONE
GROUP
SETTING
1234
SET DATA
2. Confirmation of error history
When a trouble occurred on the air conditioner, the error history can be confirmed with the following proce-
dure. (Up to 4 error histories are stored in memory.)
This history can be confirmed from either operating or stop.
1) Push and
SET
buttons in succession for 4 seconds or more.
2) SERVICE CHECK goes on and Item code 01 goes on.
3) When selecting (flash) the group number if there is the alarm history, the UNIT number and the latest
alarm history are displayed alternately.
* In this time, the temperature cannot be set up.
4) To confirm the alarm history other than the latest one, push temp. set / to select Item code
(01 to 04).
5) To confirm the alarm in the other group, push
ZONE
and
GROUP
to select the group number
Do not push
CL
button because all the alarm histories of the currently selected group are deleted.
6) To finish the service check, push button.
UNIT No.
Alternate flashing display
R.C No.
Unit No display Alarm display