Chigo CCB-18HVR4 - Trouble Shooting; Fault Codes Table

R3250Hz Universal Series Technical Manual
79
GD Chigo Heating & Ventilation Equipment Co., Ltd.
13. Trouble shooting
13.1 Fault codes table
Table 1: indoor unit digital display and wired controller
Display
Error description
Display
Error description
E0
Phase protection
F0
(reserve)
E1
Communication error between
outdoor unit andindoor unit
F1 (reserve)
E2
Indoor room temperature (T1)
sensor error
F2 (reserve)
E3
Indoor coil middle temperature
(T2) sensor error
F3
Outdoor unit current error cannot
recover
Display P3 error for 3 times within
60 minutes
E4
Indoor coil outlet temperature
(T2B) sensor error
F4
Outdoor temperature (T4) sensor
error
E5
Outdoor unit error
F5
(reserve)
E6 Zero speed protection F6
Outdoor unit condenser outlet
(T3) sensor error
E7 EERPOM error F7
Secondary side current
protection
E8
Indoor fan motor speed lose
protection
F8 Heat T2 temp. protection
E9
Wired controller communication
error
F9 Outdoor unit voltage error
EE
Water level alarm error
EF
EF(Reserve)
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