What can cause an EPHI fault on the ATV21 and ATV212 drives?
Issue:
EPHI fault on the ATV21 and ATV212 drives.
Product Line:
Altivar ATV21, ATV212 and S-Flex
Environment:
All
Cause:
Input fuse is blown or missing voltage on the input of the drive.
Resolution:
EPHI is an Input phase loss, Check all the input connections to the drive. With power removed, perfom static checks on the input rectifiers. Apply power and check with a digital meter to see if you have good voltage on your input leads of the drive, at L1, L2 and L3.
EPHI fault on the ATV21 and ATV212 drives.
Product Line:
Altivar ATV21, ATV212 and S-Flex
Environment:
All
Cause:
Input fuse is blown or missing voltage on the input of the drive.
Resolution:
EPHI is an Input phase loss, Check all the input connections to the drive. With power removed, perfom static checks on the input rectifiers. Apply power and check with a digital meter to see if you have good voltage on your input leads of the drive, at L1, L2 and L3.
Released for: Schneider Electric Thailand
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