11. Alarm Displays
11.1 Alarm Classifications
There are three classifications of alarms for the Drive: Gr.1, Gr.2, and Warning. They will affect the display and operation for the Servo System.
11.2 Troubleshooting methods
11.2.1 Gr.1 Alarm
A.01：Parameter destruction
A.03：Motor overspeed
A.04：Overload
A.05：The position deviation counter overflows
A.06：The position deviation pulse overflows
A.07：The electronic gear setting or pulse frequency is unreasonable
A.08：There is a problem with the first channel of current detection
A.09：There is a problem with the second channel of current detection
A.11：IPM Junction Overtemperature
A.12：Overcurrent
A.13：Overvoltage
A.14：Undervoltage
A.16：Regeneration abnormalities
A.18：The module is overheating
A.1D：The temperature sensor is disconnected
A.1E：The main charge circuit is faulty
A.1F：Short-to-ground fault
A.24：The main loop power supply is wired incorrectly
A.31：The STO Has Failed
A.37：Control panel communication timed out
A.42：The motor power does not match the drive power
A.43：The encoder type is incorrect
A.45：Multi-turn data error
A.46：Multi-turn data overflow
A.47：The absolute encoder battery voltage is too low
A.48：Absolute encoder battery voltage undervoltage
A.49：Multiple or single turn data anomalies were detected
A.50：The encoder is disconnected
A.51：Absolute encoder overspeed detection
A.52：An error occurred inside the encoder
A.53：Error encoder lap information
A.54：Errors occurred at the check digits and cut-off bits in the encoder control domain
A.58：Information such as encoder zone phase is empty or incorrect
A.59：Information such as the motor body in the second area of the encoder is empty or wrong
A.65：Location overflow alarm
A.70：DC synchronization error
A.71：SM Event synchronization event premature
A.72：SM Event synchronization event timed out
A.73：EtherCAT processor internal error
A.74：The position is set in the Cubic interpolation algorithm with a period error
A.75：There was an error setting for the synchronization period
A.76：The acceleration object is set to 0 in PP/PV mode
A.77：OP mode process data watchdog communication timed out
A.81：The motor UVW wiring is wrong
A.82：The motor type does not match
A.83：The motor is operating abnormally
A.F0：Internal logic exceptions
11.2.2 Gr.2 Alarm
A.15：The regenerative resistance is damaged
A.1A：The charging resistance is overloaded
A.1B：The DB braking circuit is damaged
A.1C：The internal fan has failed for 30 seconds
A.20：The main loop power line is out of phase
A.30：The STO is wired incorrectly
A.33: USB Power Supply Exceptions
A.35: Control Board Temperature Sensor Error
A.4A: Excessive Encoder Temperature
A.FA: Interrupt Overload
A.FB: CLA Overload
11.2.3 Warnings
A.4B: Absolute Encoder Battery Undervoltage (Tamagawa)
A.D1: Undervoltage Warning The main circuit DC voltage is too low
A.D5: Fan Disconnection Warning
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