Toshiba 2000 user manual Periodic Maintenance

Chapter 4 Maintenance

4.2Periodic Maintenance

Check the following items periodically (once every six month is recommended). Also check these items when the surrounding condition or environment is changed.

Item	Inspection Description	Action
Power supply related	Power supply voltage	AC85 - 132VAC/170 -
	(measure at the power supply	264VAC
	terminal of the module)
	Check for loose power supply	Must be secure
	terminal screws
	Check for damaged cables	Must not be damaged
Installation	Check that the base unit is	Must not be loose
	securely in place
	Check that each module is	Must not be loose
	securely in place
	Check for loose connector in	Must not be loose or
	front of the module and	damaged
	damaged cables
I/O module related	Measure voltage of each I/O	Must be within specification
	terminal
	Check the input status LED	Must turn ON normally
	Check the output status LED	Must turn ON normally
	Check that the I/O terminal is	Must not be loose
	secure
	Check that the terminal	Must not be loose or touching
	screws are secure and not	each other
	touching each other
	Check for damaged cables	Must not be damaged
Environment	Check the temperature,	Must be within installation
	humidity, vibration, and dust	environment specification
Battery related	C2 built-in Litium battery	Should be replaced after 10
		years by C2 overhaul
	PS694 battery	Should be replaced
		after 3 years (Ni-Cd battery)
		after 1 year (Ni-MH battery)
	Other battery	Should be replaced after two
		years
	Check that the battery	Must be secure
	connector is connected
	securely

WARNING

•Do not attempt to disassemble, modify, or repair. This can cause electrocution, fire, or injury. Contact the Toshiba service desk for repair.

32 Computer module C2PU37 User’s Manual