Midea VRF Series User Manual

V6R VRF 50/60Hz
153
Part
6
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Diagnosis and Troubleshooting
3.4 E7: EEPROM error
Digital display output
Description
 EEPROM error.
 All units stop running.
 Error code is displayed on the malfunction MS box.
 The indoor unit display board or wired controller connected to this MS displays "F8”.
Trigger / recover condition
 Trigger condition: MS EEPROM parameter is mismatch.
 Recover condition: Cannot recover.
 Reset method: Manually restart.
Possible causes
 MS PCB damaged.
Procedure
E7
Replace the MS 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)