Panasonic A4P Series Error Causes Measures Function, Parameter, Check code, Protection Emergency

When in Trouble

Protective￿	Error￿	Causes	Measures
function	code No.
*External	35	Communication between the external scale and the	• Make a wiring connection of the external scale as per
scale com-		driver has been interrupted in certain times, and	the wiring diagram. ￿
munication		disconnection detecting function has been triggered.	• Correct the miswiring of the connector pins. ￿
error ￿			• Secure the power supply voltage DC 5 V±5% (4.75 to
			5.25 V) for the external scale ... pay attention especially
protection
			when the external scale connection cables are long.
*EEPROM	36	Data in parameter storage area has been damaged	• Set up all parameters again.￿
parameter		when reading the data from EEPROM at power-on.	• If the error persists, replace the driver (it may be a
error ￿			failure.) Return the product to the dealer or
protection			manufacturer.
*EEPROM	37	Data for writing confirmation to EEPROM has been	Replace the driver. (it may be a failure). Return the
check code		damaged when reading the data from EEPROM at	product to a dealer or manufacturer.
error ￿		power-on.
protection
Emergency	39	When the emergency stop input (EMG-STP: CN X5 Pin	• Check the switch power supply and cable connected to
stop input		2) has turned off, the system trips regarding it as an	the emergency stop input for error.￿
error		error.	• Check that the emergency stop input (CN X5 Pin 2)
protection			turns on.￿
			• Check that the rising time of the control signal cable (DC
			12 to 24 V) at the power supply on is not slower than
			that of the servo driver.
Absolute	40	Voltage of the built-in capacitor has fallen below the	After connecting the power supply for the battery, clear
system		specified value because the power supply or battery	the absolute encoder. (Refer to P.138, "Setup
down error		for the 17-bit absolute encoder has been down.	(Initialization) of Absolute Encoder" of Operation
protection			Setting.) You cannot clear the alarm unless you clear
			the absolute encoder.
*Absolute	41	Multi-turn counter of the 17-bit absolute encoder has	• Set up an appropriate value to SV.Pr0B (Absolute
counter		exceeded the specified value.	encoder set up) .￿
over error			• Limit the travel from the machine home position within
protection			32767 revolutions.
Absolute	42	The motor speed has exceeded the specified value	• Check the supply voltage at the encoder side
over-speed		when only the supply from the battery has been	(5V±5%)￿
error		supplied to 17-bit encoder during the power failure.	• Check the connecting condition of the connector, CN X6.	￿
protection			• You cannot clear the alarm unless you clear the
			absolute encoder.
*Absolute	44	Single turn counter error of 17-bit absolute encoder	Replace the motor.
single turn		has been detected.￿
counter		Single turn counter error of 2500[P/r], 5-wire serial
error		encoder has been detected.
protection
*Absolute	45	Multi turn counter error of 17-bit absolute encoder has	Replace the motor.
multi-turn		been detected.￿
counter		Multi turn counter error of 2500[P/r], 5-wire serial
error		encoder has been detected.
protection
Absolute	47	17-bit absolute encoder has been running at faster	Arrange so as the motor does not run at power-on.
status error		speed than the specified value at power-on.
protection
*Encoder ￿	48	Missing pulse of Z-phase of 2500[P/r], 5-wire serial	The encoder might be a failure. Replace the motor.
Z-phase		encoder has been detected
error
protection
*Encoder	49	CS signal logic error of 2500[P/r], 5-wire serial encoder	The encoder might be a failure. Replace the motor.
CS signal		has been detected
error
protection

<Remarks>

When the protective function with a prefix of "*" in the protective function table is triggered, you cannot clear with alarm clear input.

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