Service Manual

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10-2-2. Others (Other than Check Code)
Lamp indication
Operation Timer Ready
Simultaneous flash
Operation Timer Ready
Alternate flash
Check code
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—
Cause of trouble occurrence
During test run
Disagreement of cool/heat
(Automatic cool/heat setting to automatic cool/heat prohibited model, or
setting of heating to cooling-only model)
New Check Code
1. Difference between the new check code and the existing check code
<Display on wired remote controller>
• [
TEST
] goes on.
• [UNIT No.] + Check code + Operation lamp (Green) flash.
<Display on wireless sensor>
• Combination block of [Operation ], [Timer ] and
[Ready ] is displayed.
New check code
Alphabet + decimal, 2 digits
Many classifications for communication and defective setting
Communication/defective setting (4 types), indoor protection,
outdoor protection, sensor, compressor protection, etc.










→
Used characters
Characteristics of
code classification
Block display
Existing check code
Hexadecimal, 2 digits
Few classifications for communication
and defective setting
Indoor P.C. board, outdoor P.C. board,
cycle, communication
Display
A
C
E
F
H
J
L
P
Classification
NEW SPE is not used.
Central control system error
Communication system error
Each sensor error (Defective)
Compressor protection system error
NEW SPE is not used.
Setting error / Other error
Protective device operated