Yaskawa SmartTrac PG Card - Manual (Page 20)

SMART TRAC PG Card
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Troubleshooting Your Smart Trac PG Card Technical Manual TM 3554-0020
Smart Trac PG Card Symptoms and Corrective Action
Symptoms Probable Cause Corrective Action
Motor hunting Bad or no connections from
inverter control board to PG
card if Flux Vector or V/F
w/PG control. Check connections from Inverter
Control board to PG. Repair or
replace, as necessary.
Motor Overload
fault indication PG PCB may be faulty. Replace Smart Trac PG card.
Heatsink Overtemp
fault indication. May be faulty or defective
Smart Trac PG. Replace Smart Trac PG