Midea VRF Series User Manual

V6R VRF 50/60Hz
98
Midea
V6R
Series Service Manual
2.10 F3, F5, F9, FA, Fb, Fc, Fd: T6B/T6A/T5/T8/T9/TL/T7 Temperature sensor error
Digital display output
Description
 F3 indicates subcooling gas temperature sensor (T6B) error.
 F5 indicates injection liquid temperature sensor (T6A) error.
 F9 indicates liquid pipe temperature sensor (T5) error.
 FA indicates heat exchanger gas temperature sensor (T8) error.
 Fb indicates heat sink temperature sensor (T9) error.
 Fc indicates heat exchanger liquid temperature sensor (TL) error.
 Fd indicates suction temperature sensor (T7) error.
 All units stop running.
 Error code is displayed on the unit with the error.
Trigger / recover condition
 Trigger condition: Temperature sensor T6A/T6B/T5/T7/T8/T9/TL is open or short-circuited.
 Recover condition: Temperature sensor T6A/T6B/T5/T7/T8/T9/TL connection ports can detect load.
 Reset method: Resume automatically.
Possible causes
 Temperature sensor not connected properly or has malfunction.
 Damaged outdoor main PCB.

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)