14 Disposal Instructions
YASKAWA ELECTRIC TOEP C710617 17B YASKAWA AC Drive GA700 Initial Steps EN 31
PF Input Phase Loss Drive input power has an open phase. Correct all wiring errors in the main circuit drive
input power.
The drive input power terminals are not
tight.
Tighten the terminals to the correct tightening
torque.
Too much fluctuation in the drive input
power voltage.
• Measure the voltage from the drive input power.
• Make the drive input power stable.
There is unsatisfactory balance between
voltage phases.
• Make the drive input power stable.
• Disable phase loss detection.
The main circuit capacitors are
unserviceable.
• Make sure that the capacitor maintenance time in
monitor U4-05 [CapacitorMaintenance] is less
than 90%.
• Replace the main capacitors if U4-05 is more
than 90%. Contact Yaskawa or a Yaskawa
representative to replace the main capacitors.
Make sure that there are no problems with the drive
input power. If drive input power is correct and the
alarm continues to occur, replace the control board
or the drive. Contact Yaskawa or a Yaskawa
representative to replace the control board.
14 Disposal Instructions
Correctly discard the drive, packing material, battery, and microSD card as specified by regional, local, and
municipal laws and regulations for this product. (Example: European Waste 16 02 14)
Note:
• Remove the battery and microSD card from the keypad before discarding the drive.
• The battery is not recyclable. Discard used batteries as specified by the battery manufacturer.
• Customers are responsible for microSD card data protection. PC functions that format and delete the data may not be sufficient to fully
erase the microSD card data.
Yaskawa recommends that customers physically destroy the microSD card in a shredder or use data wipe software to fully erase the
card.
EN
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