74
Technical Information
Replace the outdoor fan
H6 DC fan error
Replace the mainboard. Does it
work normally?
Is the motor phase
sequence right?
H6 is displayed on the wired
controller
Is the Fan wire terminal loose?
H6 is displayed in the mainboard
88 indicating lamp
YES
Work normally
Adjust the compressor
phase sequence
Tighten the fan wiring
terminal
NO
YES
NO
NO
YES