73
FlexFit Pro
AM24LP2VHA AM36LP2VHA AM48LP2VHA
LED flash times of
indoor PCB
Wired
controller
display
Description
Possible reasons
LED4
LED3
0
1
01
Malfunction of indoor unit ambient
temperature sensor
Sensor disconnected, broken, shorted,
or at wrong position.
0
2
02
Malfunction of indoor unit piping
temperature sensor
Sensor disconnected, broken, shorted,
or at wrong position.
0
4
04
PCB EEPROM error
EEPROM chip disconnected, broken,
or programmed incorrectly.
PCB defective.
0
7
07
Abnormal communication between
indoor and outdoor units
Poor wiring connections, faulty
wiring, poor power supply, incorrect
addressing of indoor units, faulty PCB.
0
8
08
Abnormal communication between
wired controller and indoor unit
Wrong connection or wired controller
broken, or PCB hardware malfunction
0
12
0C
Malfunction of drain system
Condensate pump disconnected
or faulty, float switch a wrong
position, disconnected or faulty, or a
disconnection of the short circuit bridge
0
13
0D
Zero cross sigal wrong
Zero cross signal not detected
0
14
0E
Abnormal communication between
main control PCB & fan motor drive
Fan motor disconnected, faulty wiring,
motor failure, or faulty circuit to motor
0
15
0F
Fan motor overcurrent
Fan motor current too high
0
17
11
DC voltage high or low
DC voltage of the fan motor driver too
high or too low
0
18
12
F.M.D temperature high
Fan motor driver over 95°C
0
19
13
Fan motor out of step
Wrong rotor location detected
M (≥1)
N (≥0)
/
Error of the outdoor unit
See note 1,2
High Static Duct Models
Summary of Contents for FlexFit Pro AL24LP2VHA
Page 1: ...SYJS 04 2017REV B Edition 2017 04 FlexFit PRO ...
Page 8: ...FlexFit Pro 6 ...
Page 9: ......
Page 10: ...AW24LP2VHA AW36LP2VHA ...
Page 11: ......
Page 12: ...10 ...
Page 13: ...11 ...
Page 14: ...12 ...
Page 15: ...13 ...
Page 16: ...14 ...
Page 17: ...15 ...
Page 18: ...16 ...
Page 19: ...17 ...
Page 20: ...18 ...
Page 37: ...35 FlexFit Pro ...
Page 72: ...68 FlexFit Pro 3 Outdoor PCB PCB 0151800054B Power module 0150401824 ...
Page 90: ...86 FlexFit Pro Fig 4 1 ...
Page 91: ...87 FlexFit Pro Fig 4 2 ...