Panasonic MINAS A4P Series - Manual (Page 174)

174
Troubleshooting
Gain adjustment is not proper.
Load inertia is large.
Looseness or slip of the machine
Ambient temperature, environment
Stall of cooling fan, dirt of fan ventilation duct
Mismatching of the driver and the motor
Failure of motor bearing
Electromagnetic brake is kept engaged (left un-
released).
Motor failure (oil, water or others)
Motor has been turned by external force while
dynamic brake has been engaged.
Check with graphic function of PANATERM ® or velocity monitor (SP)
or torque monitor (IM). Make a correct gain adjustment. Refer to P.142
of Adjustment.
Check with graphic function of PANATERM
® or velocity monitor (SP)
or torque monitor (IM). Make an appropriate adjustment. Increase the
motor and driver capacity and lower the inertia ratio. Use a gear reducer.
Review the mounting to the machine.
Lower the temperature with cooling fan if the ambient temperature
exceeds the predications.
Check the cooling fans of the driver and the machine. Replace the
driver fan or request for repair.
Check the name plates of the driver and the motor. Select a correct
combination of them referring to the instruction manual or catalogue.
Check that the motor does not generate rumbling noise while turning it
by hand after shutting off the power. Replace the motor and request for
repair if the noise is heard.
Check the voltage at brake terminals. Apply the power (DC24V) to
release the brake.
Avoid the installation place where the motor is subject to high
temperature, humidity, oil, dust or iron particles.
Check the running pattern, working condition and operating status, and
inhibit the operation under the condition of the left.
Adjustment
Installation
Classification Causes Countermeasures
No writing to EEPROM has been carried out
before turning off the power. Parameter
Communication cable (for RS232C) is
connected to the connector, CN X3. Connect the communication cable (for RS232C) to connector, CN X4. Wiring
Classification Causes Countermeasures
Classification Causes Countermeasures
Refer to P.96, "How to Operate-EEPROM Writing" of Preparation.
Overshoot/Undershoot Overheating of the Motor (Motor Burn-Out)
Parameter Returns to Previous Setup
Display of "Communication port or driver cannot be detected" Appears on the Screen While Using the PANATERM ® .