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9.4.75 ALARM 78, Tracking Error
Cause
The difference between setpoint value and actual value exceeds the value in
parameter 4-35 Tracking Error
.
Troubleshooting
Disable the function or select an alarm/warning in
parameter 4-34 Tracking Error Function
.
Investigate the mechanics around the load and motor. Check feedback connections from motor encoder to drive.
Select motor feedback function in
parameter 4-30 Motor Feedback Loss Function
.
Adjust the tracking error band in
parameter 4-35 Tracking Error
and
parameter 4-37 Tracking Error Ramping
.
9.4.76 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.
9.4.77 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.
9.4.78 ALARM 81, CSIV Corrupt
Cause
The CSIV file has syntax errors.
9.4.79 ALARM 82, CSIV Parameter Error
Cause
CSIV failed to initialize a parameter.
9.4.80 ALARM 83, Illegal Option Combination
Cause
The mounted options are incompatible.
9.4.81 ALARM 84, No Safety Option
Cause
The safety option was removed without applying a general reset.
Troubleshooting
Reconnect the safety option.
9.4.82 ALARM 85, Dang Fail PB
Cause
PROFIBUS/PROFIsafe error.
9.4.83 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.
9.4.84 WARNING 89, Mechanical Brake Sliding
Cause
The hoist brake monitor detects a motor speed exceeding 10 RPM.
AQ262139143212en-000301 / 130R0879 | 155
Danfoss A/S © 2021.10
Maintenance, Diagnostics, and
Troubleshooting
VLT® AutomationDrive FC 302
Operating Guide
Содержание D9h
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