Danfoss VLT AutomationDrive FC 300 Series Installation Guide

Table 19: Errors 84–89
Error
num‐
ber
Descrip‐
tion
LED indications
Reason Action LED1 LED2 LED3 LED4
84 Internal er-
ror: Over-
voltage
24 V IO.
Reaction:
STO.
Severe excep-
tional error
caused by the
program run
in the safety
option.
Perform 1 of the follow-
ing actions:
• Power cycle the drive.
• Restart the safety op-
tion via parameter
42-90 Restart Safe Op-
tion.
• If the problem per-
sists, contact Danfoss.
Status of LED1 and LED2 de-
pends on the safety unction
state assigned to DI1 and DI2.
If safe fieldbus is
enabled, the sta-
tus of LED3 de-
pends on the
safe fieldbus sta-
tus. Otherwise,
LED3 is off.
Red
con-
stant.
85 Internal er-
ror: Under-
voltage
Vuc2.
Reaction:
STO.
86 Internal er-
ror: Over-
voltage
Vuc2.
Reaction:
STO.
87 Internal er-
ror: Under-
voltage
int5v.
Reaction:
STO.
88 Internal er-
ror: Over-
voltage
int5v.
Reaction:
STO.
89 Internal er-
ror: Memo-
ry error S2.
Reaction:
STO.
Maintenance, Diagnostics, and
Troubleshooting
Installation Guide | VLT®Safety Option MCB 152
AN327351953089en-000101 / 130R0578
64 | Danfoss A/S © 2020.02

Danfoss VLT AutomationDrive FC 300 Series Specifications

General

Brand	Danfoss
Model	VLT AutomationDrive FC 300 Series
Category	DC Drives
Language	English