Minor Faults/Alarms - Omron Q2V Series Technical Manual

7.5 Minor Faults/Alarms

7.5

Minor Faults/Alarms

This section gives information about the causes and possible solutions when a minor fault or alarm occurs. Use
the information in this table to remove the cause of the minor fault or alarm.
Code Name
AEr Station Address Setting Error
Note:
If the drive detects this error, the terminal set to H2-01 to H2-03 = 4 [MFDO Function Select = Alarm] will activate.
Code Name
bAT Keypad Battery Low Voltage
Note:
• If the drive detects this error, the terminal set to H2-01 to H2-03 = 4 [MFDO Function Selection = Alarm] will activate.
• Parameter o4-24 [bAT Detection Selection] enables and disables bAT detection.
Code Name
bb Baseblock
Note:
The drive will not output a minor fault signal for this alarm.
Code Name
bCE Bluetooth Communication Error
Note:
• The drive detects this error when you operate the drive with a smartphone or tablet with a Bluetooth LCD Keypad.
• If the drive detects this error, the terminal assigned to H2-01 to H2-03 = 4 [MFDO Function Select = Alarm] will activate.
• Parameter o2-27 [BLE Disconn.Selection@BLE Ctrl] enables and disables bCE detection.
Code Name
boL Braking Transistor Overload
Note:
If the drive detects this error, the terminal set to H2-01 to H2-03 = 4 [MFDO Function Select = Alarm] will activate.
Code Name
bUS Option Communication Error
238
Causes
The node address for the communication option is
not in the permitted setting range.
Causes
The keypad battery voltage is low.
Causes
An external baseblock command was entered
through MFDI terminal DI1 to DI7, and the drive
output stopped as shown by an external baseblock
command.
Causes
The smartphone or tablet with Q2dev Mobile
installed is too far from the keypad.
Radio waves from a different device are causing
interference with the communication between the
smartphone or tablet and keypad.
Causes
The duty cycle of the braking transistor is high (the
regeneration power or repetition frequency is high).
You enabled the protective function for the braking
transistor when you have a regenerative converter.
The braking transistor in the drive is broken.
Causes
The communications cable wiring is incorrect.
There is a short-circuit in the communications cable
or the communications cable is not connected.
Electrical interference caused a communication data
error.
The option card is incorrectly installed to the drive.
Possible Solutions
• For CC-Link communication, set F6-10 [CCLink Node
Address] correctly.
• For MECHATROLINK communication, set F6-20 [MLII
Address] correctly.
• For CANopen communication, set F6-35 [CANopen Address]
correctly.
Possible Solutions
Replace the keypad battery.
Possible Solutions
Examine the external sequence and timing of the baseblock
command input.
Possible Solutions
Use the smartphone or tablet 10 m (32.8 ft) or nearer to the
keypad.
Note:
bCE can occur when the smartphone or tablet is 10 m or
nearer to the keypad depending on the specifications of the
smartphone or tablet.
Make sure that no device around the keypad uses the same radio
bandwidth (2400 MHz to 2480 MHz), and prevent radio
interference.
Possible Solutions
• Install a regenerative converter.
• Increase the deceleration time.
Set L8-55 = 0 [DB IGBT Protection = Disable].
Replace the drive.
Possible Solutions
Correct wiring errors.
• Repair short circuits and connect cables.
• Replace the defective communications cable.
• Examine the control circuit lines, main circuit lines, and
ground wiring, and decrease the effects of electrical
interference.
• Make sure that a magnetic contactor is not the source of the
electrical interference, then use a Surge Protective Device if
necessary.
• Use only the recommended cables or other shielded line.
Ground the shield on the controller side or the drive input
power side.
• Separate the communication wiring from drive power lines,
and install a noise filter to the input side of the power supply
for communication.
• Decrease the effects of electrical interference from the
controller.
Correctly install the option card to the drive.
SIEPCYEUOQ2V01A Q2V Technical Manual