Toshiba SX 2000 - Manual (Page 162)

Chapt.5 Maintenance and
Checking
5
5.1 Daily checking items
To maintain the system and to prevent troubles, check the following points on daily
basis.
Item Content of checking Corrective measures
LEDs on the
power supply and
S2T CPU modules
POWER(green):Lit when 5V power normal If the LEDs are abnormal,
see Section 6, Trouble­
shooting.
RUN(green) :Lit when operating normally
FLT(red) :Not lit when the CPU normal
BAT (green) : Lit when the battery voltage
normal
Input LEDs
(digital input)
Lit when the corresponding input signal is ON. • Check that the input
voltage is within the
specified range.
• Check that the input tem-
inal block is not loose.
• Check that the modules
are installed securely.
Output LEDs
(digital output)
Lit when the output is ON and the correspond­
ing external load should operate.
• Check that the external
load voltage is within
the specified range.
• Check the built-in fuses.
• Check that the output
terminal block is not
loose.
• Check that the modules
are installed securely.
Switches on the
CPU mobule
Operation is executed when the operation
mode switch (HALT/RUN) is to RUN.
• Change the switch to
the correct position.
A CAUTION
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 S2T 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.
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