Midea VRF Series User Manual

V6R VRF 50/60Hz
104
Midea
V6R
Series Service Manual
2.13 H2, H3: Qty. of outdoor unit decreases/ increases error
Digital display output
Description
 H2 indicates Qty. of outdoor unit decreases error.
 H3 indicates Qty. of outdoor unit increases error.
 All units stop running.
 Error code is only displayed on the master unit.
Trigger / recover condition
 Trigger condition: Qty. of slave units detected by master unit has decreased or increased.
 Recover condition: Qty. of slave units detected by master unit goes back to normal.
 Reset method: Resume automatically.
Possible causes
 Some outdoor units are powered off.
 Power supply abnormal.
 Incorrect outdoor unit address setting.
 Communication wires between outdoor units not connected properly.
 Loosened wiring within electric control box.
 Damaged outdoor main PCB or electric control box communication terminals block.

Midea VRF Series Specifications

General

Compressor Type	Inverter Scroll Compressor
Type	Variable Refrigerant Flow (VRF)
Refrigerant	R410A
Control	Centralized control, individual control
Indoor Unit Types	Wall mounted, cassette, ducted, floor standing
Energy Efficiency	High energy efficiency with DC inverter technology
Indoor Unit Noise Level	19 dB(A) to 45 dB(A)