ECODRIVE03 SMT-02VRS Description of diagnostic letters F... and E... 3-25
DOK-ECODR3-SMT-02VRS**-WA01-EN-P
3.2 Warning diagnostic messages
Warnings do not lead to an
automatic shutdown
Many areas are monitored in connection with operating modes and
parameter settings. As a result, if a state is discovered which is still
allowed by the order of operation, but in continuous operation generates
an error and thereafter leads to shutdown of the drive, a warning will be
generated in the case where this state appears again.
Warning Classes
The warning class is
evident from the diagnostic
message
Warnings can be separated into 2 classes. They differentiate if the drive
will perform an automatic response with the appearance of a warning.
Warning Class: Diagnostic
Message:
Drive Reaction:
with Drive Response E8xx Drive Stop
without Drive
Response
E2xx --
Fig. 3-7: Division of the Warning Classes
Warnings can not be externally deleted.
E221 Warning Motor temp. surveillance defective
Temperature monitoring checks to see if the measured motor
temperature is within reasonable bounds. If it determines that it is lower
than -10
°
C, then it is assumed the measuring unit is defective. Warning
E221 Warning Motor temp. surveillance defective will appear for 30
seconds. Afterwards the drive controller will be brought to a standstill
according to the selected error response and message F221 Error
Motor temp. surveillance defective will be generated.
Cause:
1. Motor temperature sensor not connected.
2. Broken cable.
3. Defective sensor.
4. Broken cable in drive controller.
Remedy:
For 1. Connect the sensor to the drive controller and to the motor
(see project planning specifications for the motor).
For 2. Exchange the wiring between the drive controller and the motor.
For 3. Exchange the motor. Use second sensor in the motor if
available.
For 4. Exchange the drive controller.
See also the functional description: "Temperature Monitoring".
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