Midea MV6-R450WV2GN1 Service Manual

V6R VRF 50/60Hz
130
Midea
V6R
Series Service Manual
2.22 P32: Secondary current protection
Digital display output
Description
 All units stop running.
 Error code is displayed on the unit with the error.
Trigger / recover condition
 Trigger condition: Refer to Part 3 6.4 Over-current Protection Control
 Recover condition: Refer to Part 3 6.4 Over-current Protection Control
 Reset method: Resume automatically.
Possible causes
 Outdoor unit stop valves are closed.
 Indoor load too large.
 Power supply abnormal.
 Sudden interruption of power to IDUs.
 Excess refrigerant.
 System contains air or nitrogen.
 Poor condenser heat exchange.
 High pressure side blockage.
 Inverter module damaged.
 Compressor damaged.
 Outdoor main PCB damaged.
Procedure
P32
ODU stop valves are closed
Yes
Open the stop valves
No
The indoor load is too large
1
Yes
Make sure the combination ratio is less
than 130%
No
The power supply is abnormal
Yes
Check the power supply equipment
No
Sudden interruption of power to IDUs
Yes
Inspect the system and fix the error
No
Flowchart continued on next page …

Midea MV6-R450WV2GN1 Specifications

General

Brand	Midea
Model	MV6-R450WV2GN1
Category	Air Conditioner
Language	English