U-MATCH SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL
85
P6 Drive-to-main-control communication error
Lc Compressor Startup Failure
Lc is displayed on
the wired controller
Lc is displayed in
the mainboard 88
indicating lamp
Replace the
mainboard. Does it
work normally?
Replace the
compressor
Work normally
Yes
No
P5 Compressor current protection
H7 Compressor motor desynchronizing
H5 IPM protection
Ld Phase loss
P5, H7, H5 or Ld is displayed
in the mainboard 88
indicating lamp
Is the compressor
phase sequence right?
Yes
Replace the mainboard.
Does it work normally
?
No
Replace the compressor
Work normally
Yes
adjust the
compressor
phase sequence
Is the compressor wire
terminals tightened
?
Tighten the
compressor wire
terminals
Yes
No
No
P5, H7, H5 or Ld is displayed
on the wired controller
Содержание U-MATCH B Series
Страница 4: ...U MATCH SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL 1 PRODUCT ...
Страница 14: ...U MATCH SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL 11 CONTROL ...
Страница 52: ...U MATCH SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL 49 INSTALLATION ...
Страница 75: ...U MATCH SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL 72 MAINTENANCE ...
Страница 96: ...U MATCH SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL 93 ...
Страница 125: ...U MATCH SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL 122 Model GFH36D3F2I exploded view and spare parts list ...
Страница 127: ...U MATCH SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL 124 Model UMAT36HP230V1BD exploded view and spare parts list ...