apfiff09 marine
VACON®
•
305
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
Classified as Public
F58
Mechanical brake
This fault is generated when the acknowledge signal from the brake is used. If the status of the
signal is opposite from the control signal for a longer period of time than the delay defined with
P2.15.11 Brake Fault Delay a fault is generated.
Correcting measures:
•
Check the condition and connections of mechanical brake.
F59
SystemBus communication
The master drive sends pulses to all follower drives. If the pulses are missing, a system bus
communication fault is generated. The master drive also receives pulses back from the follower
drives (max. four drives) and generates warnings if pulses are missing.
SystemBus communication is broken between master and follower.
Correcting measures:
•
Check expander board parameters.
•
Check optical fibre.
•
Check option board jumpers.
F60
Cooling
Protection for the liquid-cooled units. An external sensor is connected to the drive (DI: Cooling
Monitor) to indicate if cooling liquid is circulating. If the drive is in Stop state only a warning is issued.
In Run state a fault is issued and the drive makes a coast stop.
Possible cause:
1. Liquid cooled drive cooling circulation have been failed
Correcting measures:
•
Check reason for cooling failure from external system.
F61
Speed Error
Speed error monitoring function compares the encoder frequency and the ramp generator output.
This function is used with PMS motors to detect if the motor is out of synchronization or to disable
open loop function that uses encoder speed for slip compensation. The slip compensation is
disabled regardless of the response and needs to be re-activated once speed error is detected (set
parameter again or power down the drive).
Possible cause:
1. Motor speed is not the same as the reference. For example, motor speed is limited by
torque limit.
2. PMS motor has gone off synchronization.
3. Encoder cable is broken.
F62
Run Disabled
Run Disable warning signal is issued when Run Enable signal has been removed from the IO.
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