Danfoss VLT AutomationDrive FC 301 Programming Manual page 713

VLT AutomationDrive FC 301/302
Programming Guide
7.2.75 ALARM 79, Illegal Power Section Configuration
Cause
The scaling card has an incorrect part number or is not installed. The MK102 connector on the power card could not be installed.
7.2.76 ALARM 80, Drive Initialized to Default Value
Cause
Parameter settings are initialized to default settings after a manual reset.
Troubleshooting
• To clear the alarm, reset the unit.
7.2.77 ALARM 81, CSIV Corrupt
Cause
The CSIV file has syntax errors.
7.2.78 ALARM 82, CSIV Parameter Error
Cause
CSIV failed to initialize a parameter.
7.2.79 ALARM 83, Illegal Option Combination
Cause
The mounted options are incompatible.
7.2.80 ALARM 84, No Safety Option
Cause
The safety option was removed without applying a general reset.
Troubleshooting
• Reconnect the safety option.
7.2.81 ALARM 88, Option Detection
Cause
A change in the option layout is detected. Parameter 14-89 Option Detection is set to [0] Frozen configuration and the option layout
has been changed.
Troubleshooting
•
To apply the change, enable option layout changes in parameter 14-89 Option Detection.
• Alternatively, restore the correct option configuration.
7.2.82 WARNING 89, Mechanical Brake Sliding
Cause
The hoist brake monitor detects a motor speed exceeding 10 RPM.
7.2.83 ALARM 90, Feedback Monitor
Troubleshooting
• Check the connection to the encoder/resolver option and, if necessary, replace the VLT
er Input MCB 103.
7.2.84 ALARM 91, Analog Input 54 Wrong Settings
Troubleshooting
• Set switch S202 in position OFF (voltage input) when a KTY sensor is connected to analog input terminal 54.
7.2.85 ALARM 99, Locked Rotor
Cause
The rotor is blocked.
Danfoss A/S © 2022.12
Troubleshooting
Encoder Input MCB 102 or VLT
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AU275636650261en-000101 / 130R0334 | 713
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