Orientalmotor BLV Series, Руководство пользователя

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Alarms, warnings and communication errors
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Alarm history
Up to 10 generated alarms are saved in the non-volatile memory in order of the latest to oldest. The alarm history
saved in the non-volatile memory can be read and cleared when any of the following items is performed.
• Read the alarm history with the monitor command.
• Clear the alarm history with the maintenance command.
• Read and clear the alarm history using the MEXE02 or OPX-2A .
5.2 Warnings
If a warning is generated, the WNG output is turned ON. The motor will continue to operate.
Once the cause of the warning is removed, the WNG output will turn OFF automatically.
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Warning list
Code Warning type Cause Remedial action
21h Main circuit overheat
The temperature inside the driver exceeded the
overheat warning level.
Reconsider the ventilation
condition in the enclosure.
25h Undervoltage *
The main power supply voltage dropped by
approximately 10% or more from the rated voltage.
• Check the input voltage of the
main power supply.
• Check the wiring of the power
supply cable.
30h Overload *
The load torque of the motor exceeded the
overload warning level.
• Decrease the load.
• Reconsider the operating
condition such as acceleration
time and deceleration time.
6Ch Operation prohibited
• When moved from the test mode to other mode
using the MEXE02 or OPX-2A , the FWD input
or REV input was being ON.
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When the "3-wire input mode" was set
with the "Operation input mode selection"
parameter, the START/STOP input and RUN/
BRAKE input was being ON.
• When the assignment of the input terminal was
changed using the MEXE02 , OPX-2A , or RS-485
communication, the assigned terminal was being
ON.
Turn the input signal OFF.
84h RS-485 communication
error
A RS-485 communication error was detected.
• Check the connection between
the driver and programmable
controller.
• Check the setting of RS-485
communication.
* The detection level can be changed using the MEXE02 or OPX-2A .
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Warning history
Up to 10 generated warnings are saved in the RAM in order of the latest to oldest. The warning history saved in
the RAM can be read and cleared when any of the following items is performed.
• Read the warning history with the monitor command.
• Clear the warning history with the maintenance command.
• Read and clear the warning history using the MEXE02 or OPX-2A .
Note
The warning history is cleared when the driver power is turned off.