TM 5-3895-374-24-1
Maintenance
ALTIVAR 0,75 to 4 kW
ATV-452075M and U22M, ATV-452075 to U40, ATV-452075N to U40N
Change the power board or the rectifier if the self-diagnostic shows up one of the following
faults:
PrF power fault (rectifier-capacitors), PbF power board fault, ItF , 2tF , 3tF module 1,
2 or 3 fault
Checking the
ALTIVAR 4 to 30 kW (except ATV-452U40 and U40N)
power components
ALTIVAR 37 to 90 kW
(page 3-205)