V6-i VRF 50/60Hz       
70     
Midea V6-i Series Service Manual
 
1 Error Code Table 
Table 6-1.1: Error code table 
Manual re-start 
required
2
 
Displayed on the unit with the error 
Communication error between indoor and outdoor units 
Displayed on the unit with the error 
Outdoor  heat  exchanger  temperature  sensor  (T3)  error  or 
outdoor ambient temperature sensor (T4) error 
Displayed on the unit with the error 
Abnormal power supply voltage 
Displayed on the unit with the error 
Compressor  top  or  discharge  pipe  temperature  sensor  (T7C1/2) 
error 
Displayed on the unit with the error 
Outdoor unit address error 
Displayed on the unit with the error 
Displayed on the unit with the error 
Displayed on the unit with the error 
Plate  heat  exchanger  cooling  refrigerant  outlet  temperature 
sensor (T6B) error 
Displayed on the unit with the error 
Plate heat exchanger cooling refrigerant inlet temperature sensor 
(T6A) error 
Displayed on the unit with the error 
Electronic expansion valve connection error 
Displayed on the unit with the error 
Refer to Note 3 
Communication  error  between  main  control  chip  and  inverter 
driver chip 
Displayed on the unit with the error 
Inverter module protection 
Displayed on the unit with the error 
P2 protection appears three times in 60 minutes 
Displayed on the unit with the error 
P4 protection appears three times in 100 minutes 
Displayed on the unit with the error 
Number  of  indoor  units  detected  by  outdoor  unit  not  same  as 
number set on main PCB 
Displayed on the unit with the error 
High pressure sensor error 
Displayed on the unit with the error 
P9 protection appears ten times in 120 minutes 
Displayed on the unit with the error 
PL protection appears three times in 100 minutes 
Displayed on the unit with the error 
Discharge pipe high pressure protection 
Displayed on the unit with the error 
Suction pipe low pressure protection 
Displayed on the unit with the error 
Compressor current protection 
Displayed on the unit with the error 
Discharge temperature protection 
Displayed on the unit with the error 
Outdoor heat exchanger temperature protection 
Displayed on the unit with the error 
Displayed on the unit with the error 
Table continued on next page …