Haier MRV II - Page 136

Part 3
[60] logic abnormal
chec k if DCCT,
ACCT is no rmal
no
yes
chec k if there is
interference around
the electric box
no
if VDC is normal
check AC contactor circuit
yes
improve the power
supply surroundings
make improvement
no
if voltage of IPM-
FO is normal
replace inverter board
yes
no
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