Warning 200, Fire Mode - Danfoss VLT FC 102 Operating Manual

VLT HVAC Drive FC 102
Operating Guide
Troubleshooting
• Troubleshoot the system.
• Reset the drive when the fault is cleared.
7.6.81 WARNING 97, Stop Delayed
Stopping the motor has been delayed due to short-cycle protection. Parameter 22-76 Interval between Starts is enabled.
Troubleshooting
• Troubleshoot the system.
• Reset the drive when the fault is cleared.
7.6.82 WARNING 98, Clock Fault
Time is not set or the RTC clock has failed.
Troubleshooting
• Reset the clock in parameter 0-70 Date and Time.
7.6.83 ALARM 99, Locked Rotor
Cause
The rotor is blocked.
Troubleshooting
• Check if the motor shaft is locked.
•
Check if the start current triggers the current limit set in parameter 4-18 Current Limit.
•
Check if it increases the value in parameter 30-23 Locked Rotor Detection Time [s].

7.6.84 WARNING 200, Fire Mode

This warning indicates that the drive operates in fire mode. The warning clears when fire mode is removed. See the fire mode data
in the alarm log.
7.6.85 WARNING 201, Fire Mode was Active
• Cycle power to the unit to remove the warning. See the fire mode data in the alarm log.
7.6.86 WARNING 202, Fire Mode Limits Exceeded
While operating in fire mode, 1 or more alarm conditions have been ignored, which would normally trip the unit. Operating in this
condition voids the warranty of the unit.
Troubleshooting
• Cycle power to the unit to remove the warning. See the fire mode data in the alarm log.
7.6.87 WARNING 203, Missing Motor
A multi-motor underload situation is detected. This warning could indicate that there is a missing motor.
Troubleshooting
• Inspect the system for proper operation.
7.6.88 WARNING 204, Locked Rotor
An overload condition is detected for a drive operating multi-motors. This could indicate a locked rotor.
Troubleshooting
• Inspect the motor proper operation.
7.6.89 WARNING 250, New Spare Part
Cause
A component in the drive system has been replaced.
Troubleshooting
• Enter the serial number and type code for canceling the Trip Lock status after a power cycle.
Danfoss A/S © 2023.09
Diagnostics and Troubleshooting
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