Troubleshooting
• Cycle power.
• Check that the option is properly installed.
• Check for loose or missing wiring.
It may be necessary to contact the Danfoss supplier or service department. Note the code number for further troubleshooting
directions.
Table 40: Internal Fault Codes
Number Text
0 The serial port cannot be initialized. Contact the Danfoss supplier or Danfoss service department.
256-258 The power EEPROM data is defective or too old. Replace the power card.
512-519 Internal fault. Contact the Danfoss supplier or Danfoss service department.
783 Parameter value outside of minimum/maximum limits.
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.
Maintenance, Diagnostics, and
Troubleshooting
Operating Guide | VLT® Refrigeration Drive FC 103
AQ275652766279en-000101 / 130R0707
110 | Danfoss A/S © 2020.01
To Next Page
Loading...
