252
Q9 Plus ASD Installation and Operation Manual
E-22
Discrete In Volts
Improper Input Voltage
Level at Discrete Input
Terminal.
• Discrete input terminal configured for operation
and the input activation voltage level is out of
specification.
EEP1
EEPROM
Write Err
EEPROM Fault (Writing
Error).
• Service call is required.
ETN
Autotuning Err
Autotuning Error Except
Etn1, Etn2, or Etn3.
• Autotune readings are inconsistent with the
configuration information.
• Non-3-phase motor is being used.
• Improper settings at
F400
or
F410
–
F413
.
• Using a motor that has a significantly smaller
rating than the ASD.
• ASD output cabling is too small, too long, or is
being housed in a cable tray with other cables
that are producing an interfering EMF.
• Motor is running during the Autotune function.
ETN2
Leak Inductance
Err
Autotuning Error —
Leak Inductance Error.
• Improper setting at
F412
.
ETN3
Motor Rating
Err
Autotuning Error —
Motor Rating Error.
• Improper setting at
F405
,
F406
, or
F407
.
ETN1
Torque Boost
Err
Autotuning Error —
Torque Boost Error.
• Improper setting at
F410
.
E
Emergency Off
Emergency Off Command
Received Via Keypad or
Remotely. Output Signal
From the ASD is
Terminated.
• Stop-Reset was pressed twice at the EOI.
• E-Off command was received remotely.
• Select stopped method at
F603
.
E-12
Encoder Loss
Encoder Loss.
• Encoder signal is not received.
ERR6
Gate Array Fault
Gate Array Fault.
• Defective gate array or gate array malfunction.
• Service call is required.
EF1, EF2
Ground Fault
Ground Fault.
• Mis-wired ground.
• Loose ground connection.
EPHI
Input Phase
Input Phase Failure.
• Mis-wired input phase.
• Loose input phase connection.
UC
Low-Current
Low-Current Operation.
• Improper low-current detection level setting.
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 cleared.
Table 19. Fault Codes (Continued)
LED
Screen
LCD
Screen
Fault Description
Possible Cause
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