39
No Error
code
Content
19 P5
System B Current protection (protection occurs for 5 times in 120 minutes and the failure can be
recovered by power disconnection only)
20
1P6 System
A
inverter
module
protection
2P6 System
A
inverter
module
protection
21 P7 Condenser
high
temperature
protection
22 P9
Protection of outlet and inlet water temperature difference(protection occurs for 3 times in 60 minutes
and the failure can be recovered by power disconnection only)
23
PA
Inlet water high temperature in cooling mode
24 Pb System
anti-freezing
protection
25
PC
Evaporator pressure low in cooling mode
26 PE Low-temperature
protection
of
evaporator
(manual
recovery)
27
PH
T4 high temperature protection in heating mode
28 PL
Tfin module high temperature protection(Protection occurs for 3 times in 100 minutes and the failure
can be recovered by power disconnection only)
29
1PU
DC fan A module protection
2PU DC
fan
B
module
protection
30
1H0
System A IPM module Communication error
2H0 System
B
IPM
module
Communication
error
31 H1 Under/Over
voltage
protection
32
1H4
Three times 1PP protection within one hour (power off recovery)
2H4
Three times 2PP protection within one hour (power off recovery)
33
1H6 System
A
DC
bus
voltage
error
2H6 System
B
DC
bus
voltage
error
34 Fb Pressure
sensor
error
35
Fd
Air suction temperature protection error
