Midea V4+R Series User Manual

V4+R VRF 50/60Hz
201608 85
Part 5 - Diagnosis and Troubleshooting
4.19 xP6, xH4 Troubleshooting
Digital display output 4.19.1
In the error code, 'x' is a placeholder for the compressor system (compressor and related electrical components), with 1
representing compressor system A and 2 representing compressor system B.
Description 4.19.2
 1P6 indicates compressor A inverter module protection.
 2P6 indicates compressor B inverter module protection.
 1H4 indicates 1P6 protection has occurred 3 times in 60 minutes.
 2H4 indicates 2P6 protection has occurred 3 times in 60 minutes.
 When an xH4 error occurs, a manual system restart is required before the system can resume operation. The cause of
an xH4 error should be addressed promptly in order to avoid system damage.
 All units stop running.
 Error code is only displayed on the unit with the error.
Possible causes 4.19.3
 Inverter module protection.
 DC bus low or high voltage protection.
 MCE error.
 Zero speed protection.
 Phase sequence error.
 Excessive compressor frequency variation.
 Actual compressor frequency differs from target frequency.
Specific error codes for xH4 inverter module protection 4.19.4
If an xH4 error code is displayed, press button SW2 every two seconds until one of the following specific error codes is
displayed on the digital display: xL0, xL1, xL2, xL4, xL5, xL7, xL8, xL9. Refer to Figure 5-4.3 and Table 5-4.1.
Figure 5-4.3: Button SW2 on main PCB
ENC1
ENC3
S12
S3
S7
S1
ENC2
S4
S2
ENC4

Midea V4+R Series Specifications

General

Brand	Midea
Model	V4+R Series
Category	Air Conditioner
Language	English