V6 VRF 50Hz
70
Midea V6 Series Service Manual
1 Error Code Table
Table 6-1.1: Error code table
Manual re-start
required
2
Communication error between outdoor units
Only displayed on the slave unit
with the error
Displayed on the unit with the error
Communication error between indoor and master unit
Only displayed on the master unit
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
Number of slave units detected by master unit has decreased
Only displayed on the master unit
Number of slave units detected by master unit has increased
Only displayed on the master unit
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 master unit not same as
number set on main PCB
Only displayed on the master unit
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
Only displayed on the master unit
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 …