Chigo CCB-18HVR4 - Vacuum Dry and Leakage Checking

R3250Hz Universal Outdoor Series Technical Manual
133
GD Chigo Heating & Ventilation Equipment Co., Ltd.
9.2Three-phase unit
Error code display
Display
Definition of fault or protection
Remark
E1 Three-phase power phase sequence fault
E2 Communication fault between the outdoor unit and
themast
Communication is interrupted for more than 2
minutes 20minutes after the initial pow er-on or
within 20 minutes
E4
Temperature sensor fault
E6
Condenser pipe temperature sensor fault
E9
AC over-voltage / under-voltage protection
E10 EEPROM fault
H0 Master chip and DSP communication fault
H4 Display P6 protection for 3 times within 30 minutes Unable to restore unless a second power-on
H5 Display P2 protection for 3 times within 30 minutes Unable to restore unless a second power-on
H6
Display P4 protection for 3 times within 100
minutes
Unable to restore unless a second power-on
H9 Display P9 protection for 2 times within 10 minutes Unable to restore unless a second power-on
H10 3 times of P3 protection occurs within 60 minutes Unable to restore unless a second power-on
P1 High pressure protection
P2 Low pressure protection Display H5 after 3 times of P2 protection within
30
minutes
P3
Primary / secondary over current protection
P4
Exhaust overheating protection
3 time of P4 protection appears within 100
minutes and
then H6 occurs
P5 High pipe temperature protection
P6 Module protection
3 times of P6 protection appears within 30
minutes and
then H4 occurs
P9 DC fan fault Display H9 after 2 times of P9 protection within
10
minutes
P10
Anti-typhoon protection
P11
Refrigeration T2 overheating protection
L0
DC compressor module fault
L1 DC bus low voltage protection
L2 DC bus high voltage protection
L4 MCE fault / sync / closed loop
L5 Zero speed protection
L7 Phase sequence error protection
L8 15Hz protection