Danfoss VLT FC 102 Programming Manual page 734

Programming Guide | VLT® HVAC Drive FC 102
Table 85: Internal Fault List
(continued)
Fault number Cause
1302 The option software in slot C1 is too old.
1315 The option software in slot A is not sup-
ported/allowed.
1316 The option software in slot B is not sup-
ported/allowed.
1318 The option software in slot C1 is not sup-
ported/allowed.
1379–2819 Internal fault.
1792 Hardware reset of digital signal processor.
1793 Motor-derived parameters not transferred cor-
rectly 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.
1796 RAM copy error.
2561
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.
Troubleshooting
See the above table for the causes and solutions for different internal faults. If the fault persists, contact the supplier or service
l
department for assistance.
734 | © 2024.10
Solution
Upgrade the software in the drive to the latest version.
The software version of the option or the fieldbus variant is not
compatible with the drive software.
The software version of the option or the fieldbus variant is not
compatible with the drive software.
The software version of the option or the fieldbus variant is not
compatible with the drive software.
Contact the Danfoss supplier or Danfoss service department.
Check for poor EMC protection and improper grounding.
Replace the control card.
Adjust the parameter value to match the limits.
Change either the fieldbus hardware or the control board hard-
ware.
Change either the fieldbus hardware or the control board hard-
ware.
Change either the fieldbus hardware or the control board hard-
ware.
Change either the fieldbus hardware or the control board hard-
ware.
Contact the Danfoss supplier or Danfoss service department.
Troubleshooting
AU430028034214en-001901 / 130R0310