Midea Mini VRF Service Manual

MCAC-VTSM-2016-02 R410A All DC Inverter Mini VRF
Troubleshooting 63
3. Error code table
Error code
Content
E2
Communication malfunction between the indoor unit and outdoor unit
E4
Pipe temperature T3& ambient temperature T4 sensor malfunction
E5
Outdoor unit voltage protection
E6
DC fan malfunction
E7
Discharge temperature sensor malfunction
E9
EEFROM malfunction
E.9.
Compressor signal error
EA
Fan error in A region last for more than 5 minutes in heating mode
Eb
There are two times E6 fault in 10 minutes (recovery after power off)
F1
The bus voltage is less than 200V for 5S
H0
Communication malfunction betweem IR341/main board
H4
3 times of L0 or L1 protection in 60 minutes
P1
High pressure protection
P2
Low pressure protection
P3
Input current protection
P4
Compressor discharge temperature protection
P5
Condenser T3 high temperature protection
P6
IPM module malfunction
P8
Typhoon protection
PE
Evaporator high temperature protection
PL
Radiator temperature protection (Reserved)
L0
Module malfunction
L1
DC generatrix low voltage protection
L2
DC generatrix high voltage protection
L4
MCE malfunction
L5
Zero speed protection
L7
Phase sequence protection
L8
Speed difference >15Hz protection between the front and the back clock
L9
Speed difference >15Hz protection between the real and the setting speed

Midea Mini VRF Specifications

General

Brand	Midea
Model	Mini VRF
Category	Air Conditioner
Language	English