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New check code
1. Difference between the new check code and the current system
The displaying method of the check code changes in this model and after.
<Display on wired remote controller>
• [ ] goes on.
• [UNIT No.] + Check code + Operation lamp (Green) flash
<Display on sensor part of wireless>
• Block display of combination of [ ] [ ] [ ]
<Display on indicater on wireless remote controller
receiver part>
• Unit No. and check code are displayed.
• In a case of error with auxiliary code, check code and
auxiliary code are displayed alternately.
→
Used characters
Characteristics of code classification
Block display
Check code in current system
Hexadecimal notation, 2 digits
Few classification of communication/incorrect setup system
Indoor P.C. board, Outdoor P.C. board, Cycle, Communication
New check code
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
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