42
No
Fault
Code
Fault Description
Displayed Fault of Lamp Panel
HEAT
DRY/TIMER
SLEEP/FAN
Fault codes of the indoor unit part:
1
N0
Coil inlet sensor malfunction
On
On
Blinking
2
N1
Coil middle sensor malfunction
On
On
Blinking
3
N2
Coil outlet sensor malfunction
On
On
Blinking
4
N3
Air return/room sensor malfunction
On
On
Blinking
5
N4
Condensate pump (water level switch) malfunction
Blinking
Blinking
On
6
N5
EEPROM storage malfunction of indoor unit
Blinking
On
On
7
N8
Indoor unit and outdoor unit communication malfunction
On
Blinking
On
8
N9
DIP malfunction
Blinking
On
On
9
NA
Block running malfunction of the indoor electric motor
Blinking
On
On
10
NC
The filter of the fresh air unit is blocked
On
On
Blinking
11
NE
The environment temperature exceeds fresh-air unit’s allowable
range
Off
Blinking
Blinking
Fault codes of the wired controller part:
1
NB
Keypad malfunction of Wired controller
-
-
-
2
NF
Wired controller and indoor unit communication malfunction
-
-
-
3
N6
EEPROM storage malfunction of wired controller
-
-
-
4
N7
Wired controller temperature sensor malfunction
-
-
-
Fault codes of the outdoor unit part:
1
A1
The indoor capacity exceeds outdoor’s minimum allowable range
Off
Blinking
Blinking
2
A2
Not existing model or wrong combination
Off
Off
Blinking
3
A3
The indoor amount exceeds the maximum allowable quantity
Off
Off
Blinking
4
A4
Driver board type is not suited to main controller
Off
Off
Blinking
5
C0
DC busbar under-voltage
Off
Blinking
On
6
C1
AC input under-voltage
Off
Blinking
On
7
C2
AC input over-current stop
On
Blinking
Off
8
C3
Input voltage sampling malfunction
Blinking
On
Off
9
C4
DSP and PFC communication malfunction
Blinking
On
Off
10
C5
Radiator/PIM sensor malfunction
Off
On
Blinking
Summary of Contents for A5VCC-V Series
Page 31: ...30 Bottom air return plenum Free stream air return plenum Air Outet Air Inlet...
Page 35: ...34 WIRING DIAGRAM...
Page 36: ...35...
Page 37: ...36...
Page 38: ...37...
