258 ACE-tronics G9 ASD Installation and Operation Manual
Overheat During
Deceleration
OC2P • Cooling fan inoperative.
• Ventilation openings are obstructed.
• Internal thermistor is disconnected.
• Deceleration time is too short.
• DC Injection current is too high.
• ASD or the motor is improperly matched to the application.
Overheat During
Run
OC3P • Cooling fan inoperative.
• Ventilation openings are obstructed.
• Internal thermistor is disconnected.
• Improper V/f setting.
• ASD or the motor is improperly matched to the application.
Over-Torque OT • A torque requirement by the load in excess of the setting of F616 or
F617 for a time longer than the setting of F618.
• The ASD is improperly matched to the application.
• The load is obstructed.
Over-Voltage
During
Acceleration
OP1 • Motor running during restart.
Over-Voltage
Du
ring
Deceleration
OP2 • Deceleration time is too short.
•
DBR value is too high.
• DBR required (DBR setup required).
• Stall protection is disabled.
• 3-phase input voltage is out of specification.
• Input reactance required.
Over-Voltage
Du
ring Run
OP3 • Load fluctuations.
• 3-Phase input voltage out of specification.
• DBR required or DBR setup is incomplete.
RAM Fault ERR2 • Internal RAM malfunction.
ROM Fault ERR3 • Internal ROM malfunction.
Speed Error E-13 • Result of a motor speed that is greater than the commanded speed when
using an encoder for speed control.
• Improper encoder connection or setup information.
• Defective encoder.
Step Out
(for PM Motor
Only)
SOUT
• Motor shaft is locked.
• Output phase is open.
• Operating a reciprocating load.
LCD Screen LED Screen Possible Causes
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