"J1" Compressor 1
Over-current Protection
The compressor is
abnormal
Yes
Yes
Replace the compressor
No
Replace the drive modu le
If the h igh pressu re valu e
of the unit is still above 60°C when the compressor
runs at the lowest fre quency, the compre ssor may
have enabled normal over-current protection. In this case, check
whether the fan ope rate s prop erly an d whether the ambient
temperature is normal and whether the power supply
is n ormal (320V-460V)
Power on aga in
the units based on the capa city
and nu mber o f indoor u nits enabled
previou sly in the case of
protection state
Whether the drive modu le is normal?
Yes
Yes
Is th e p rotection still occurring
after power-on?
Yes