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11.3 For cassette unit and duct unit, the f
ailure code
as follow
:
For
remote
type,
flash
times
Failure
code on
wired
controller
For
central
control,
failure
code
Failure description
Reason
Remarks
10 08(08H) 21D Drainage system
abnormal
Float switch broken down
for more than 25m
continuously
○
1 01(01H) 01D
Indoor
ambient
temp.
sensor failure
sensor broken down or
short circuit for more than
2m continuously
○
2
02(02H) 02D Indoor coil temp.
sensor failure
sensor broken down or
short circuit for more than
2m continuously
○
3 74(4AH) 11D Outdoor ambient
temp. sensor failure
sensor broken down or
short circuit for more than
2m continuously
○
4
73(49H)
12D
Outdoor coil temp.
sensor failure
(compressor
discharging temp.
sensor)
Sensor broken down or
short circuit for more than
2m continuously
○
5 72(48H) 10D
Over-current
protection
CT check abnormal 3 times
in 30m
※
6 83(53H) 14D
High pressure
abnormal
High pressure switch acts 3
times in 30m
※
7 71(47H) 22D
Power
supply
abnormal
Fault phase, short of
phase, out of balance
greatly
※
8 07(07H) 06D
Communication
between wired
controller and indoor
abnormal
Communication abnormal
for more than 4m
continuously
○
9 06(06H) 05D
Communication
between indoor and
outdoor abnormal
Communication abnormal
for more than 4m
continuously
○
11
11(0BH)
30D
Outside alarm signal
input
Outside signal broken
down for more than 10s
○
12 03(03H) 20D Gas pipe temp.
sensor abnormal
Sensor broken down or
short circuit for more than
○
-158-
Summary of Contents for AB072XCBAA
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Page 138: ... a__WcU S c a V e a Wc AU282XHBAA AU422XIBAA PCB printed diagram 138 ...
Page 141: ... a__WcU S c a V e a Wc AU84NXTBAA PCB printed diagram 141 ...
Page 144: ... a__WcU S c a V e a Wc AB AE AD units PCB printed diagram 144 ...
Page 149: ... a__WcU S c a V e a Wc AF07 142XCBAA PCB printed diagram 149 ...
Page 180: ...MEMO Commercial Air Conditioner ...