Danfoss VLT AQUA Drive FC 202, Operating Manual

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Troubleshooting
• Remove power to the drive and repair the ground fault.
• Check for ground faults in the motor by measuring the resistance to ground of the motor cables and the motor with a
megohmmeter.
• Reset any potential individual offset in the 3 current transducers in the drive. Perform a manual initialization or perform a complete
AMA. This method is most relevant after changing the power card.
8.4.14 ALARM 15, Hardware Mismatch
Cause
A fitted option is not operational with the present control card hardware or software.
Troubleshooting
Record the value of the following parameters and contact Danfoss.
• Parameter 15-40 FC Type .
• Parameter 15-41 Power Section .
• Parameter 15-42 Voltage .
• Parameter 15-43 Software Version .
• Parameter 15-45 Actual Typecode String .
• Parameter 15-49 SW ID Control Card .
• Parameter 15-50 SW ID Power Card .
• Parameter 15-60 Option Mounted .
• Parameter 15-61 Option SW Version (for each option slot).
8.4.15 ALARM 16, Short Circuit
Cause
There is short-circuiting in the motor or motor wiring.
Troubleshooting
WARNING
HIGH VOLTAGE
AC drives contain high voltage when connected to AC mains input, DC supply, or load sharing. Failure to perform installation,
start-up, and maintenance by qualified personnel can result in death or serious injury.
-
Only qualified personnel must perform installation, start-up, and maintenance.
• Disconnect power before proceeding.
• Remove the power to the drive and repair the short circuit.
Maintenance, Diagnostics, and
Troubleshooting
Operating Guide | VLT® AQUA Drive FC 202
AQ275652274277en-000101 / 130R0708
108 | Danfoss A/S © 2020.01