YASKAWA GA50U Series

13 Troubleshooting
YASKAWA TOEPC71061752B GA500 Drive Installation & Primary Operation 109
Code Name Causes Possible Solutions
AEr
Station Address Setting
Error
The node address for the
communication option is not in the
permitted setting range.
• For CC-Link communication, set F6-10
[CC-Link Node Address] correctly.
• For MECHATROLINK communication,
set F6-20 [MECHATROLINK Station
Address] correctly.
• For CANopen communication, set F6-35
[CANopen Node ID Selection] correctly.
bAT
Keypad Battery Low
Voltage
The keypad battery voltage is low. Replace the keypad battery.
bb Baseblock
An external baseblock command
was entered through MFDI
terminal S1 to S7, and the drive
output stopped as shown by an
external baseblock command.
Examine the external sequence and timing
of the baseblock command input.
bCE
Bluetooth
Communication Error
The smartphone or tablet with
DriveWizard Mobile installed is
too far from the keypad.
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.
Radio waves from a different
device are causing interference
with the communication between
the smartphone or tablet and
keypad.
Make sure that no device around the keypad
uses the same radio bandwidth (2400 MHz
to 2480 MHz), and prevent radio
interference.
boL
Braking Transistor
Overload
The duty cycle of the braking
transistor is high (the regeneration
power or repetition frequency is
high).
• Install a regenerative converter.
• Increase the deceleration time.
You enabled the protective
function for the braking transistor
when you have a regenerative
converter.
Set L8-55 = 0 [Internal DB
TransistorProtection Selection = Disable].
The braking transistor in the drive
is broken.
Replace the drive.
bUS
Option Communication
Error
The communications cable wiring
is incorrect.
Correct wiring errors.
There is a short-circuit in the
communications cable or the
communications cable is not
connected.
• Repair short circuits and connect cables.
• Replace the defective communications
cable.