Midea VRF V4 Plus I Series - 4. Error;Protection Code Table

R410A DC Inverter V4 Plus 50Hz MCAC-VTSM-2014-04
92 Troubleshooting
3.3 Function setting dial switches instructions
LED1: Power supply indicator lamp of network centralized control chip. The lamp will be on if the power
supply is normal.
LED2: Running indicator lamp of network centralized control chip. The lamp will be on if the system running
is normal.
LED3: Malfunction indicator lamp of network centralized control chip. The lamp will flash in Three-phase
phase sequence protection.
LED4: Malfunction indicator lamp of inverter module. The lamp will flash if the inverter module is faulty and
the error code will display on digital tube.
LED5: Running indicator lamp of inverter module. The lamp will be on if the compressor is running.
4. Error/Protection code table
No.
Error code
Error or protection type
Note
1
E0
Outdoor unit COMM. error
Only display in slave unit
2
E1
Phase protection
3
E2
COMM. Error with indoor unit
20 minutes after first power on or indoor and
outdoor communication break off over 2
minutes after first power on 20 minutes
LED3
LED2
LED1
LED5
LED4