F070Type 2 fault (manual reset) · Power sectionUsually repairable
PowerFlex 525 F070: Power Unit
What F070 means
The drive detected a failure in its power section.
Symptoms
Fault returns after a power cycle, sometimes with no motor running.
Is it repairable?
Yes: power-section repair at component level, followed by a load test.
Common causes
- Failed power module, gate driver or power supply on the power board
- Overheating damage
- A supply surge
Safe checks
- 1Check the ambient temperature and the fan, cycle power once. If the fault comes back, the power section needs repair
Drives hold dangerous voltage after power-off. Checks should only be done by qualified personnel, with power isolated and the DC link discharged.
Reviewed by AutomIQ repair technicians. Code and name from the PowerFlex 520-Series Adjustable Frequency AC Drive User Manual.
Related PowerFlex 525 faults
- F004UnderVoltage
- F005OverVoltage
- F007Motor Overload
- F008Heatsink OvrTmp
- F012HW OverCurrent
- F013Ground Fault