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Chapter 9 Troubleshooting and Countermeasures
9.4 Motor Self-learning Fault Sub-code Description
Attachment: The detailed fault diagnosis information of self-learning fault is shown in the table
below, where FA.39 fault sub-code shows "20xx" as self-learning fault sub-code.
FA.39
Fault
Troubleshooting information
subcode
Current saturation, Hall detection
2001
problem or excessive output current
2002
Excessive current zero bias
2003
Current imbalance
2004
Current oscillation
Static learning current amplitude
2005
exceeds limit
Static learning U-phase current over
2006
limit
Static learning V phase current over
2007
limit
Static learning W phase current over
2008
limit
Continuous current overlimit during
2009
dynamic learning
2010
Voltage saturation
ACH200 Series High Voltage Variable Frequency Speed Control System Operating Manua
Countermeasures
Check motor wiring for phase shorts
Check Hall sensor for problems
Check the motor wiring, whether there is
output phase loss
1. Check the motor connection, whether
there is a short circuit between phases
2. Check whether the input motor nameplate
parameters are correct
1. Check the motor connection, whether
there is a short circuit between phases
2. Check whether the input motor nameplate
parameters are correct
Check the U-phase motor connection for
phase-to-phase or ground shorts
Check the V-phase motor connection for
phase-to-phase or ground shorts
Check the W-phase motor connection for
phase-to-phase or ground shorts
1. Check the motor connection, whether
there is a short circuit between phases
2. Check whether the input motor nameplate
parameters are correct
1. Check the motor connection, whether
there is a short circuit between phases
2. Check whether the input motor nameplate
parameters are correct
135
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