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2. Reading of CHECK monitor display
FILTER
UNIT
CHECK
1 2
0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
FILTER
UNIT
FILTER
UNIT
UNIT
CHECK
CHECK
1
UNIT
CHECK
1
UNIT
CHECK
2
<CHECK data>
(Example)
Hexadecimal
notation
Decimal notation
<7 segment display>
<Display on CHECK monitor>
<FILTER data>
(Example)
Room temp.sensor of No.1 is defective.
In No.16, first the heat exchanger sensor has failed.
Next, interconnection wire (serial signal line) of indoor/outdoor is defective.
Case that Filter signal is sent from No.1 and No.16 units under group operation
(Example) There is no check data.
CHECK code
FILTER sign
Indoor unit No.