Number Text
1024-1284 Internal fault. Contact the Danfoss supplier or Danfoss service department.
1299 The option software in slot A is too old.
1300 The option software in slot B is too old.
1302 The option software in slot C1 is too old.
1315 The option software in slot A is not supported/allowed.
1316 The option software in slot B is not supported/ allowed.
1318 The option software in slot C1 is not supported/ allowed.
1379-2819 Internal fault. Contact the Danfoss supplier or Danfoss service department.
1792 Hardware reset of digital signal processor.
1793 Motor-derived parameters not transferred correctly to the digital signal processor.
1794 Power data not transferred correctly at power-up to the digital signal processor.
1795 The digital signal processor has received too many unknown SPI telegrams. The AC drive also uses this fault code if
the MCO does not power up correctly. This situation can occur due to poor EMC protection or improper grounding.
1796 RAM copy error.
2561 Replace the control card.
2820 LCP stack overflow.
2821 Serial port overflow.
2822 USB port overflow.
3072-5122 Parameter value is outside its limits.
5123 Option in slot A: Hardware incompatible with the control board hardware.
5124 Option in slot B: Hardware incompatible with the control board hardware.
5125 Option in slot C0: Hardware incompatible with the control board hardware.
5126 Option in slot C1: Hardware incompatible with the control board hardware.
5376-6231 Internal fault. Contact the Danfoss supplier or Danfoss service department.
9.3.38 ALARM 39, Heat Sink Sensor
Cause
No feedback from the heat sink temperature sensor.
The signal from the IGBT thermal sensor is not available on the power card. The problem could be on the power card, on the gatedrive
card, or on the ribboncable between the power card and the gatedrive card.
9.3.39 WARNING 40, Overload of Digital Output Terminal 27
Troubleshooting
• Check the load connected to terminal 27 or remove the short-circuit connection.
• Check parameter 5-00 Digital I/O Mode and parameter 5-01 Terminal 27 Mode.
Maintenance, Diagnostics, and
Troubleshooting
Operating Guide | VLT® AQUA Drive FC 202
AQ262141056213en-000101 / 130R0882
144 | Danfoss A/S © 2018.10
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