R3250Hz Universal Outdoor Series Technical Manual
47
GD Chigo Heating & Ventilation Equipment Co., Ltd.
Display
Error description
Display
Error description
P0
(reserve)
H0
Communication error between
outdoor unit mainboard and driver
board
P1
(reserve)
H1
(reserve)
P2
(reserve)
H2
(reserve)
P3
Primary/secondary
overcurrent protection
H3
(reserve)
P4
Exhaust temperature
over-high protection
H4
3 times of P6 error within 30
minutes
P5
Outdoor unit condenser outlet
(T3) temperature
over-high protection
H5
3 times of P2 error within 30
minutes
P6
Compressor driver error or
IPM protection
H6
3 times of P4 error within 100
minutes
P7
(reserve)
H7
(reserve)
P8
(reserve)
H8
(reserve)
P9
Outdoor unit DC fan motor
error
H9
2 times of P9 error within 10
minutes
12.2 Wired controller spot check
Spot
check
NO.
Content
Spot
check
NO.
Content
1
Indoor unit capacity
8
Outdoor unit condenser outlet (T3)
temperature
2
Indoor unit capacity demand
9
Outdoor temperature (T4)
temperature
3
Indoor demand after T4
amendment
10
Compressor top temperature (T5)
temperature (maximum 99
℃
)
4
Indoor demand after T2
amendment
11
Opening of EXV
5
Indoor room temperature (T1)
temperature
12
Running frequency of
compressor
6
Indoor coil middle temperature
(T2)
temperature
13
Primary voltage/4
7
Indoor coil outlet temperature
(T2B)
temperature
