248 H9 ASD Installation and Operation Manual
Trips/Faults
A Trip is an H9 ASD response to a Fault (though Fault and Trip are sometimes used interchangeably).
A Trip is a safety feature that disables the ASD system in the event that a subsystem of the ASD is
malfunctioning or a parameter setting has been exceeded.
Listed in Table 14 are the Faults that may result in a Trip and the possible causes. When a Trip is
incurred the system displays the Fault screen. The Fault screen identifies the active Fault.
Table 14. H9 ASD Fault Listing.
LED Screen LCD Screen Possible Causes
E Emergency Off • Emergency Off command received via EOI or remotely.
E-10 Sink/Source Setting
Error
• Improperly positioned Sink/Source jumper on the Terminal board or on an
option device (see J100 at the Terminal PCB of the ASD).
• Sink/Source configuration is incorrect.
E-11
Brake Sequence
Response Error
• F630 is set to a non-zero value.
• Braking sequence discrete input and output terminals are not setup properly.
E-12 Encoder Signal-Loss
Error
• ASD is configured to receive a signal from a shaft-mounted encoder and no
signal is being received while running.
• Disconnection at the Encoder circuit.
• Motor is stopped and is generating torque via torque limit control.
• ASD is not configured properly.
E-13 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.
E-17
Key Failure • Same key input for 20 seconds or more.
E-18
Analog (Terminal)
Input Loss
• V/I signal loss.
• Terminal Board failure.
• P24 over-current condition.
• F633 setting is too high.
E-19
CPU Communication
Error
• CPU data Transmit/Receive error.
E-20
V/f Control Error • Torque processing error.
• Make service call.
E-21
CPU Processing Error • Software processed incorrectly.
• Make service call.
E-22
Logic Input Voltage
Error
• Incorrect voltage applied to the discrete input terminals.
E-23
Optional Expansion
Input Terminal Board 1
Error
• Optional Expansion Input Terminal Board 1 is defective.
E-24
Optional Expansion
Input Terminal Board 2
Error
• Optional Expansion Input Terminal Board 2 is defective.
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