High temperature protection
of IPM board
Yes
Yes
No
Coat thermal grease again
No
No
Check if the heat sink is
secure.
Secure the heat sink well.
Check if the electronic
control box is installed well.
Install the electronic control
box correctly.
Check if the thermal
grease does not have a
coating or uneven coating.
Replace the IPM board
DLCM(R/H)B: Service Manual
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