E6:Dc Fan Error - Midea Mini VRF Technical & Service Manual

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R410A All DC Inverter Mini VRF

4.6 E6:DC Fan Error

The error may be caused by two reasons:
1). The wiring connection is wrong; 2). Power supply voltage is not normal.
Check whether PN voltage of the DC fan
transfer board is from 255V to 367V.
DC fan motor power supply is normal, Check the
Voltage between DC fan motor's white terminal
and black terminal is 15V at stand by state
Whether the outdoor fan will work after the indoor fan
68
LED displays E6
Outdoor unit DC fan cannot work.
Refers to the wiring nameplate to check
whether the DC fan wiring correct or not.
YES
O
YES
NO
operates for 3 minutes.
NO
Replace the fan motor
NO
NO
Insure the input power
supply is 380-415V,
3N, 50Hz.
YES
Replace main control
MCAC-VTSM-2016-02
Connect again.
Adjust to the right
range.
NO
check
the
system
running normally.
board
Troubleshooting
Then
whether
is

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