Johnson JR8 Serie Guide D'utilisation page 86

xP32 No. (x) compressor high DC bus current protection
xP33 xP32 protection occurs 3 times in 100 minutes
High AC voltage protection
P51
P52 Low AC voltage protection
Power supply BN connect protection, or the phase is missing, or
P53
unbalanced when powered on
DC bus low voltage protection
P54
DC bus ripple wave protection, or the phase is missing, or unbalanced
P55
when powered on
xP56 No. (x) Inverter module DC bus low voltage error
No. (x) Inverter module DC bus high voltage error
xP57
No. (x) Inverter module DC bus excessively high voltage error
xP58
EEPROM error
P71
-
Pb1
Anti-condensation protection
Pd1
Pd2 Pd1 protection occurs 2 times in 60 minutes
1b01 Electronic expansion valve (EEVA) error
2b01 Electronic expansion valve (EEVB) error
3b01 Electronic expansion valve (EEVC) error
4b01 Electronic expansion valve (EEVD) error
bA1 -
Note: 'x' is a placeholder for the fan or compressor address, with 1 representing fan A or compressor A and 2 representing fan
B or compressor B.
Table 7.4 Installation and debugging error code
Error code
U11 Outdoor unit type setting error
U12 Capacity setting error
U21 The system contains the 1
U31 No test run or unsuccessful test run, please re-enter the test run.
U32 Outdoor temperature out of operating range
U33 Indoor temperature out of operating range
U34 Outdoor and indoor temperature out of operating range
U35 Liquid side stop valve is not opened
U37 Gas side stop valve is not opened
U38 No address
U3A The communication cable is connected incorrectly
U3b The installation environment is abnormal
U3C Auto mode error
U41 Common indoor unit exceeds the allowable connection range
U42 Fresh Air Processing indoor unit exceeds the allowable connection range
U43 AHU kit (discharge air temperature control) is out of the allowable connection range
U44 AHU kit (return air temperature control) is out of the allowable connection range
U48 The total capacity of the indoor unit is out of the allowable connection range
U51 Detected more than one outdoor unit in the individual VRF system
U53 Detected different series outdoor units in the same VRF system
Error description
generation indoor unit or the indoor units address are repeated
st
07
NO
YES
NO
NO
YES
NO
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
Manual re-start
required
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
NO
YES
YES
YES
YES
YES
YES
YES
V.1