256
ACE-tronics G9 ASD Installation and Operation Manual
External Overheat
OH2
• Excessive-heat signature received at the TB3 – TH1(+) and TH1(-)
terminals. See
F637
for setup information.
Flash Memory
Fault
ERR9
• Flash memory malfunction.
Gate Array Fault
ERR6
• Main Gate Array is defective.
Ground Fault
EF1/EF2
• Ground fault at the motor.
• Ground fault at the output of the ASD.
• Current leakage to Earth Ground.
Input Phase
Failure
EPHI
• 3-phase input to the ASD is low or missing at the R, S, or T input
terminals.
Key Failure
E-17
• Same key input for 20 seconds or more.
Logic Input
Voltage Error
E-22
• Incorrect voltage applied to the discrete input terminals.
Low Current
ERR7
• Improper Low-Current Detection level settings at
F609
–
F612
.
Main Power
Under-Voltage
UP1
• Input 3-phase voltage is too low.
• Momentary power failure longer than the time setting of
F628
.
Motor Overload
OL2
• Improper V/f setting.
• Motor is locked.
• Continuous operation at low speed.
• Load requirement exceeds ability of the motor.
• Startup frequency setting adjustment required.
No Errors
None
• No active faults.
Optional
Expansion Input
Terminal Board 1
Error
E-23
• Optional Expansion Input Terminal Board 1 is defective.
Optional
Expansion Input
Terminal Board 2
Error
E-24
• Optional Expansion Input Terminal Board 2 is defective.
Option Device
Fault
ERR8
• Check installation, connections, and option device manual.
Output Phase
Failure
EPHO
• 3-phase output from the ASD is low or missing at the U, V, or W output
terminals or at the input to the motor.
LCD Screen
LED Screen
Possible Causes
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