184
https://www.toshiba.com/tic/
Alarms, Trips, and Troubleshooting
W7B ASD Installation & Operation Manual
Note: The event that caused the Trip(s) must be corrected or must decrease to less than the threshold
value required to cause the trip to allow for a Reset to be recognized. In the event of multiple active trips,
the trip displayed will remain until all faults are corrected and all trips are cleared.
Option Fault
• Optional device malfunction.
• Improper system settings (at ASD or optional device).
• Loose or improper connection.
Output Phase Loss
• 3-phase output from the ASD is low or missing.
Overheat
• Cooling fan inoperative.
• Ventilation openings are obstructed.
• Internal thermistor is disconnected.
Over-Torque
• A torque requirement by the load in excess of the setting of
parameter
for a time longer than the setting of
parameter
• The ASD is improperly matched to the application.
• The load is obstructed.
OV During ACC
• Motor running during restart.
OV During DEC
• Deceleration time is too short.
• Stall protection is disabled.
• 3-phase input voltage is out of specification.
• Input reactance required.
OV During Run
• Load fluctuations.
• 3-Phase input voltage out of specification.
Position Deviation Err
• Operating in the Position Control mode and the resulting position
exceeds the limits of the Position Control setting.
RAM Fault
• Internal RAM malfunction.
ROM Fault
• Internal ROM malfunction.
Sink/Source Set Err
• Improperly positioned Sink/Source jumper on the control board or
on an option device.
• Sink/Source configuration of an option device is incorrect.
Speed Error
• 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.
Typeform Error
• Firmware information (typeform) loaded into the Gate Driver board
is inconsistent with the device in which the firmware is being used.
• The Gate Driver board has been replaced.
• The Gate Driver board is defective.
Table 11. (Continued) Trips and Faults.
Fault Screen Display
Possible Causes
Summary of Contents for W7 DN-57442-006
Page 1: ...ADJUSTABLE SPEED DRIVES W7 DN 57442 006 INSTALLATION OPERATION MANUAL June 2020 ...
Page 2: ......
Page 3: ...Document Number 57442 006 Date June 2020 W7 ASD Installation and Operation Manual ...
Page 4: ......
Page 60: ......
Page 221: ......