Filter
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2. Reading of CHECK monitor display
<FILTER data>
(Example) Filter signal is sent from No.1 and No.15 units under grouping operation
(Example)
Room temp.sensor of No.1 is defective.
In No.15, first the indoor heat exchanger sensor has failed.
Next, interconnection wire (bus communication line) of
indoor/outdoor is defective.
(Example)
There is no check
data.
<CHECK data>
UNIT
CHECK
FILTER
UNIT
CHECK
FILTER
UNIT
CHECK
Unit No.
Check code detected at first Check code detected at last
UNIT
CHECK CHECK
UNIT
CHECK
After 3
seconds
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Hexadecimal
notation
Decimal notation
<7 segment display>