117
PB
TROUBLESHOOTING
Diagnostic Codes
No.
Malfunction
Name
Display Method of Indoor Unit
Display Method of Outdoor Unit
A/C status
Possible Causes
Dual‑8
Code
Display
Indicator Display (During blinking,
ON 0.5s and OFF 0.5s)
Indicator has 3 kinds of display status
and during blinking, ON 0.5s and
OFF 0.5s
Power
Indicator
Cool
Indicator
Heating
Indicator
Yellow
Indicator
Red
Indicator
Green
Indicator
48
zero crossing
malfunction
of outdoor
unit
U9
OFF 3s
and blink
18 times
During cooling operation,
compressor will stop while
indoor fan will operate; during
heating,the complete unit will
stop operation.
Replace outdoor control
panel AP1
49
frequency
limiting
(power)
OFF 1 and
blink 13
times
50
compressor
running
OFF 1s
and blink
13 times
51
the tem‑
perature for
turning on
the unit is
reached
OFF 1s
and blink
8 times
52
frequency
limiting
(module
tempera‑
ture)
OFF 1s
and blink
11 times
53
normal com‑
munication
OFF 0.5s
and blink
once
54
defrosting
H1
OFF 3s
and blink
once
(during
blinking,
ON 10S
AND OFF
0.5S
OFF 1s
and blink
twice
Defrosting will occur in
heating
mode. Compressor will
operate
while indoor fan will stop
operation.
Its the normal state
55
malfunc‑
tion of
zero‑cross
detection
circuit
U8
The Complete Unit Stops
1. Power supply is
abnormal
2. Detection circuit of
indoor control mainboard
is abnormal.
56
Malfunction
of detecting
plate (WIFI)
JF
Содержание FSHW091
Страница 8: ...8 INTRODUCTION FSHSW09A1A FSHSW12A1A Figure 102 Indoor Units FSHSW18A3A FSHSW24A3A FSHSW36A3A ...
Страница 47: ...47 INSTALLATION ...
Страница 48: ...48 INSTALLATION Installation Tools ...
Страница 72: ...72 WIRED CONTROLLER Display ...
Страница 122: ...122 TROUBLESHOOTING Malfunction of IDUFanMotorU8 Service Manual No Start End ...
Страница 146: ...146 WIRING DIAGRAMS Figure 8054 9 12KOutdoorUnitWiringDiagrams 60000706067401 3 2 N 1 C3 C4 ...
Страница 147: ...147 WIRING DIAGRAMS Figure 805 18 24kOutdoorUnitWiringDiagrams Figure 806 36kOutdoorUnitWiringDiagrams 6361000047001 ...
Страница 158: ...158 FIgure 906 PARTS CATALOG 9KOutdoorUnit 28 27 29 31 30 32 ...
Страница 160: ...160 PARTS CATALOG 12k OutdoorUnit 28 27 29 31 30 32 FIgure 907 ...