EDM SYSHP MINI DCI

94
9 Error Code Table
Table 3-9.1: Error code table
Table connued on next page …
Error code Content
C7 Transducer module temperature too high protect
E0
E8
Water ow failure
E1 Phase sequence error
E2 Communicaon error between outdoor unit and user interface
E3 Backup electric heater exchanger water outlet temperature sensor error
E4 Domesc hot water tank temperature sensor error
E5 Air side heat exchanger refrigerant outlet temperature sensor error
E6 Outdoor ambient temperature sensor error
E9 Sucon pipe temperature sensor error
EA Discharge pipe temperature sensor error
Ed Water side heat exchanger water inlet temperature sensor error
EE Hydronic system EEPROM error
F1 DC generatrix voltage is too low
H0
Communicaon error between refrigerant system main control chip and hydronic system
main control chip
H1 Communicaon error between refrigerant system main control chip and inverter driver chip
H2 Water side heat exchanger refrigerant inlet (liquid pipe) temperature sensor error
H3 Water side heat exchanger refrigerant outlet (gas pipe) temperature sensor error
H5 Room temperature sensor error
H6
HH
DC fan error
H7 Abnormal main circuit voltage
H8 Pressure sensor error
H9 Auxiliary heat source water outlet temperature sensor error
HA Water side heat exchanger water outlet temperature sensor error
HF Refrigerant system EEPROM error
P0
HP
Low pressure protecon
P1 High pressure protecon
P3 Compressor current protecon
P4 Discharge temperature protecon
P5
High temperature dierence between water side heat exchanger water inlet and water outlet
temperatures protecon
P6
H4
Inverter module protecon
L0 Inverter module protecon
L1 DC bus low voltage protecon
L2 DC bus high voltage protecon
L4 MCE error
L5 Zero speed protecon
L7 Phase sequence error