Toshiba MCY-MHP0404HS-E Service Manual page 105

Using TCC-LINK central remote controller (TCB-SC642TLE2)
(1) Checking and testing
When a trouble occurs to an air conditioner, a
check code and indoor unit No. are displayed
on the display window of the remote controller.
Check codes are only displayed while the air
conditioner is in operation.
If the display has already disappeared, access
check code history by following the procedure
described below.
(2) Check code history
The check code history access procedure is described below (up to four check codes stored in memory).
Check code history can be accessed regardless of whether the air conditioner is in operation or shut down.
1
Push the +
2
The letters "
3 When a group No. is selected (blinking), if there is a check code history, the UNIT No. and the
latest check code history information are displayed alternately.
*During this procedure, the temperature setting feature is unavailable.
4
To check other check code history items, push the
5
To check check code relating to another group, push (ZONE) and (GROUP)
a group No.
Do not push the
6
To finish off the service check, push the
AMP Air Conditioning
buttons simultaneously and hold for at least 4 seconds.
SERVICE CHECK" light up, and the check code "01" is displayed.
Display of Unit No.
button as it would erase the whole check code history of the selected group.
Display of Unit No.
Alternate blinking
Display of check code
Alternate blinking
button to select another check code (01-04.).
button.
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Display of check code
buttons to select