To Next Page

To Previous Page

Table 18: Errors 77–83

Error

num‐

ber

Description LED indications

Reason Action LED1 LED2 LED3 LED4

77 Internal er-

ror: Fail-safe

data CRC

mismatch.

Reaction:

STO.

The CRC of

the safety op-

tion does not

match the

stored CRC

value on the

drive.

Configure the safety op-

tion with MCT 10 Safe

Plug-in or by CRC se-

lect/LCP copy

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.

78 Internal er-

ror: S1 S2

Communica-

tion Chan-

nel.

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

option via parame-

ter 42-90 Restart Safe

Option.

• If the problem per-

sists, contact Dan-

foss.

80 Internal er-

ror: No CAN

communica-

tion.

Reaction:

STO.

81 Internal er-

ror: Under-

voltage

Vuc1.

Reaction:

STO.

82 Internal er-

ror: Over-

voltage

Vuc1.

Reaction:

STO.

83 Internal er-

ror: Under-

voltage 24 V

IO.

Reaction:

STO.

Maintenance, Diagnostics, and

Troubleshooting

Installation Guide | VLT®Safety Option MCB 152

AN327351953089en-000101 / 130R0578| 63

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

Danfoss VLT AutomationDrive FC 300 Series Installation Guide

Table of Contents

Other manuals for Danfoss VLT AutomationDrive FC 300 Series

Questions and Answers:

Danfoss VLT AutomationDrive FC 300 Series Specifications

Related product manuals