ECODRIVE DKC01.1/DKC11.1 Drive Controllers
DOK-ECODRV-ASE-02VRS**-WAR1-EN-P • 07.96 Description of Diagnostic Letters F... and E... 2-3
Remedy:
For 1. Check the installation of the motor. If the system
has been in operation for a long time, check to see if the
the operating conditions have changed. (in regards to
pollution, friction, moved components, etc.)
For 2. Check wires and cables to the motor temperature monitor for
wire breaks and short circuits.
For 3. Check velocity loop parameters.
F220 Bleeder Overtemperature Shut Down
Description:
The regenerated energy from the mechanism of the machine via the
motor has exceeded the power capability of the bleeder resistor. By
exceeding the maximum resistance energy, the drive will shutdown
according to the set error reaction. Thereby protecting the bleeder from
temperature damage.
Cause:
The reflected energy from the machine’s mechanism over the motor is
too large.
Remedy:
With too much power ---> reduce the acceleration value
With too much energy ---> reduce the velocity
Check the drive installation.
May require installation of an additional bleeder module.
F226 Undervoltage Error
Description:
The level of the DC bus voltage will be monitored by the drive controller.
If the DC bus voltage falls below a minimal threshold, the drive
independently shuts down according to the set error reaction.
Cause:
1. The power source has been interrupted without first switching off
the drive enable signal (RF).
2. Disturbance in the power supply
Remedy:
For 1 Check the logic regarding the activation of the drive within
the connected control.
For 2 Check the power supply
The error can be cleared by removing the control enable signal.
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