Maintenance And Checking; Daily Checking Items - Toshiba V Series User Manual

Chapter 5 Maintenance

5.1 Daily checking items

To maintain the system and to prevent troubles, check the following points on daily basis.
Item
LEDs on the power
supply and S2 CPU
modules
Input LEDs
(digital input)
Output LEDs
(digital output)
Switches on the
CPU mobule
1. Perform daily checks, periodical checks and cleaning to maintain the system in normal
condition and to prevent unnecessary troubles.
2. Turn off power immediately if the model 2000 or related equipment is emitting smoke or odor.
Operation under such situation can cause fire or electrical shock. Also unauthorized
repairing will cause fire or serious accidents. Do not attempt to repair. Contact Toshiba for
repairing.
6F8C0836
and Checking
Table 5-1 Daily checking items
Content of checking
POWER(green):Lit when 5V power normal
RUN(green) :Lit when operating normally
FLT(red) :Not lit when the CPU normal
BAT(green) :Lit when the battery voltage
normal
Lit when the corresponding input signal is ON. • Check that the input
Lit when the output is ON and the
corresponding extemal load should operate.
Operation is executed when the operation
mode switch (HALT/RUN) is to RUN.
Caution
Corrective measures
If the LEDs are abnormal,
see Chapter 6
Troubleshooting.
voltage is within the
specified range.
• Check that the input
teminal block is not
loose.
• Check that the modules
are installed securely.
• Check that the extemal
load voltage is within
the specified range.
• Check the bullt-in fuses.
• Check that the output
terminal block is not
loose.
• Check that the modules
are installed securely.
• Change the switch to
the correct position.
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