Gree GWC18QD-D3DNA1D

50
Installation and Maintenance
Service Manual
3.IPM protection, desynchronizing malfunction, phase current of compressor is overcurrent (AP1 below is control board
of outdoor unit)
Main detection point:
Ɣ,IFRQWUROERDUG$3DQGFRPSUHVVRU&203LVZHOOFRQQHFWHG",IWKH\DUHORRVHQHG",IWKHFRQQHFWLRQVHTXHQFHLVFRUUHFW"
Ɣ,VYROWDJHLQSXWLQWKHQRUPDOUDQJH7HVWWKHYROWDJHEHWZHHQ/1RIZLULQJERDUG;7E\'&YROWDJHPHWHU"
Ɣ,IFRLOUHVLVWDQFHRIFRPSUHVVRULVQRUPDO",VFRPSUHVVRUFRLOLQVXODWLQJWRFRSSHUSLSHZHOO"
Ɣ,IWKHZRUNORDGRIXQLWLVKHDY\",IUDGLDWLQJRIXQLWLVZHOO"
Ɣ,IWKHUHIULJHUDQWFKDUJLQJLVDSSURSULDWH"
0DOIXQFWLRQGLDJQRVLVSURFHVV