Danfoss VLT MCD 600 Operating Manual page 133

Operating Guide | VLT® Soft Starter MCD 600
12.2.31 Network Communication
Cause
The network master has sent a trip command to the soft starter, or there could be a network communication problem. Check the
network for causes of communication inactivity.
Troubleshooting
• Check the following parameter:
- Parameter 6-13 Network Communications.
12.2.32 Not Ready
Cause
• The reset input may be active. If the reset input is active, the soft starter does not operate.
• The soft starter may be waiting for the restart delay to elapse. The length of the restart delay is controlled by parameter 5-16 Restart
Delay.
• Check the following parameters:
- Parameter 5-16 Restart Delay.
- Parameter 7-9 Reset/Enable Logic.
12.2.33 Overcurrent
Cause
The overcurrent has exceeded the level set in parameter 5-5 Overcurrent for longer than the time set in parameter 5-6 Overcurrent Delay.
Causes can include a momentary overload condition.
Troubleshooting
• Check the following parameters:
- Parameter 5-5 Overcurrent.
- Parameter 5-6 Overcurrent Delay.
- Parameter 6-5 Overcurrent.
12.2.34 Overpower
Cause
The motor has experienced a sharp rise in power. Causes can include a momentary overload condition, which has exceeded the
adjustable delay time.
Troubleshooting
• Check the following parameters:
- Parameter 5-13 Overpower.
- Parameter 5-14 Overpower Delay.
- Parameter 6-9 Overpower.
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Troubleshooting
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