Sony B2521E, CAST-AU4 Fault-FindingChart of 1), Fault-FindingChart of 2), Fault-FindingChart of 3), Fault-FindingChart of 4)

Fault-Finding Chart of 1)

Symptoms	Causes	Solutions
The simple operation		Connect the SYSRUN
	OFF LINE is selected	Set the machine system to “ONLINE” from the
teaching pendant keeps
		TP of the SRX
displaying “666”
	Internal PC board is defective	Exchange the internal PC board
“E01” appears on the	Card is not inserted	Insert the memory card securely
simplified TP.
“E02” appears on the	The card has no program	Insert a memory card in which program is stored
	The CAST specification setting is set to	Set the CAST specification setting to “YES” from
simplified TP.
	NO	the TP of the SRX
The main power cannot	The main AC power is not turned on	Connect the AC main power
be turned on.		Exchange the POWER switch
	The POWER switch is broken
The stop indicator keeps	The STOP button is kept locked.	Release the lock
turning on.	(Including the teaching pendant)
	The external stop signal is being	Release the external emergency stops
		Alternatively, short pin-1 and pin-2 of the
	connected
		external switch connector

Fault-Finding Chart of 2)

Symptoms	Causes	Solutions
START indicator does not illuminate	START indicator is defective	Replace the START indicator
START indicator keeps flashing	START button has the short circuit	Replace the START button
	External START switch has the short circuit	Replace the external START button

Fault-Finding Chart of 3)

Symptoms	Causes	Solutions
START button does not function	START button is defective	Replace the START button

Fault-Finding Chart of 4)

Symptoms	Causes	Solutions
“E07” appears on display	Returning home failed	Start operation from the very beginning
Machine movement does	Sensor cable is defective	Confirm the sensor cable connection
not stop (It moves in the
	Controller data is abnormal	Correct the controller data from TP of the SRX
reverse direction.)

4-8 CAST-AU4/B2521E