FWDB Low temperature floor ceiling-Technical Manual R32-50Hz
9.2 24K outdoor unit
Error code display
Code
Failure or protection definition
Code
Failure or protection definition
E02
Comm. failure between outdoor unit and indoor unit
P06
IPM modules protection
E04
T4 temperature sensor failure
P07
Anti-freeze protection
E05
T5 temperature sensor failure
P09
Outdoor fan motor stall
E06
T3 temperature sensor failure
P11
Evaporator high temperature protection
E07
Indoor EEPROM failure
L0
DC compressor failure
E09
AC low voltage protection
L01
DC bus low voltage protection
E10
Outdoor EEPROM failure
L02
DC bus high voltage protection
E11
Indoor fan motor failure
L04
MCE fault/ sync/ closed loop
E12
IPM module temperature sensor protection
L05
Zero speed protection
E16
IPM high temperature protection (Ft)
L07
Compressorphaselossprotection
E20-E29
Fan motor failure
L08
Compressor stall
HO
Comm. failure between outdoor unit and indoor unit
L0A
Frequency limitation by voltage
H21-36
Compressor failure
L0B
Evaporator limitation by condenser temperature
P01
High pressure protection
L0C
Frequency limitation by condenser temperature
P02
Low pressure protection
LOD
Frequency limitation by discharge temperature
P03
AC/DC over-current protection
L0E
Frequency limitation by IPM module high temperature
P04
Excessive exhaust temperature protection
L0F
Frequency limitation by current
P05
Excessive condenser temperature protection
Spot check table
No.
Display content
No.
Display content
00
Frequency, the quantity of indoor units,
running mode or error code
09
T4 outdoor ambient temperature
10
T5 exhaust temperature
01
Outdoor power
11
AC current
02
Running mode (0: shutdown; 1: fan
;
2: cooling; 3:
heating; 4: forced cooling)
12
DC current
13
AC voltage
03
Indoor capacity demand
14
DC voltage
04
The actual operation capacity of outdoor units
15
The quantity of indoor units
05
The target frequency of compressor
16
The quantity of running indoor units
06
Fan speed state (0-7)
17
The indoor demand
07
T2 average temperature
18
The T1 temperature of indoor
08
T3 condensing temp
erature
19
Electronic expansion valve opening degree
41
Summary of Contents for AW-FWDB018-N91
Page 15: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 13 4 Service Space ...
Page 18: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 16 6 2 AW FWDB024 N91 ...
Page 33: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 4 2 AW YMDB024 H91 31 ...
Page 39: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 8 2 AW YMDB024 H91 37 ...
Page 57: ...FWDB Low temperature floor ceiling Technical Manual R32 50Hz 55 ...
