Function Setting Dial Switches Instructions; Error/Protection Code Table - Midea VRF V4 Plus I Series Manual

R410A DC Inverter V4 Plus 50Hz

3.3 Function setting dial switches instructions

LED3
LED2
LED1
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
1 E0 Outdoor unit COMM. error
2 E1 Phase protection
3 E2 COMM. Error with indoor unit
92
Error or protection type
MCAC-VTSM-2014-04
LED5
LED4
Note
Only display in slave unit
20 minutes after first power on or indoor and
outdoor communication break off over 2
minutes after first power on 20 minutes
Troubleshooting