Midea VRF Series User Manual

V6R VRF 50/60Hz
135
Part
6
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Diagnosis and Troubleshooting
2.24 P9, H9: Fan module protection
Digital display output
Description
 Fan module protection.
 All units stop running.
 Error code is displayed on the unit with the error.
Trigger / recover condition
 Trigger condition:
For P9 protection: Fan speed is too low.
For H9 protection: P9 protection appears ten times in 120 minutes.
 Recover condition: Fan speed go back to normal.
 Reset method:
For P9 protection: Resume automatically;
For H9 protection: Manually restart.
Possible causes
 Switch ENC2 incorrectly set.
 Power or communication wires not connected properly.
 Fan motor blocked or has failed.
 Power supply abnormal.
 Fan module damaged.
 Outdoor main PCB damaged.

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)