Gree Versati II Series - Compressor Startup Failure; Drive-To-Main-Control Communication Error

70
Air to Water Heat Pump
Service Manual- Versati II Series
MAINTENANCE
3.1.4 Drive-to-main-control communication error(code:"P6")
E5 is displayed on
the wired controller
P6 is displayed in the
mainboard 88
Indicating Lamp
Is the CPU tightened?
Tighten
the CPU board
Replace
the mainboard
No
Work Normally
Yes
3.1.5 Compressor startup failure(code:"Lc")
E5 is displayed on
the wired controller
Replace the mainboard.
Does it work Normally?
Replace
the compressor
Lc is displayed in
the mainboard 88
Indicating Lamp
Work Normally
Yes
No