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The check code
1. The TCC LINK check code
The displaying method of the check code.
Used characters
Characteristics of
code classification
Block display
TCC Link
Alphabet + Decimal notation, 2 digits
Many classification of communication/
incorrect setup system
Communication/Incorrect setup (4 ways),
Indoor protection, Outdoor protection,
Sensor, Compressor protection, etc.
< Display in wired remote controller >
• [ ] goes on.
• [UNIT No.] + Check code + Operation lamp (Green) flash
<Display on sensor part in wireless remote controller>
• Block display of combination of [ ] [ ] [ ]
<Display on 7-segment in outdoor unit>
• Unit No. and check code are displayed.
• In a case of error with auxiliary code, the check code and the auxiliary code are displayed alternately.
2. Special mention
• The check code of the remote controller is displayed only while the air conditioner is operating
(Remote controller start button ON).
When the air conditioner stopped and the error has been cleared, the check code display on the remote
controller also disappears.
However, if the error continues after stop of the operation, the check code is immediately displayed with
restarting of the operation.
Display
A
C
E
F
H
J
L
P
Classification
Unused
Central control system error
Communication system error
Each sensor error (Failure)
Compressor protective system error
Unused
Setup error, Other errors
Protective device operation
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