Maintenance; Daily Inspection - Toshiba 2000 User Manual

Chapter 4 Maintenance

4.1 Daily Inspection

The following items should be inspected daily in order to maintain normal system
operation and prevent unnecessary trouble from occurring.
Check the LED in
front of the power
module.
Check the LED at the
front of the C2
module.
Check the LED of the
input module.
(Digital input)
Check the LED of the
output module.
(Digital output)
Action
• When the C3 module LED status is abnormal
The application program may be at fault if the error is not corrected after performing
the following. Check the application program once more.
(1) Restarting the C2 module.
(2) Replacing the C2 module.
6F8C1111
Item Inspection Description
POWER (green): On when 5V
power supply is normal
RUN (green): ON when
program is running normally.
When external input signal is
ON, the corresponding LED is
ON.
When output is ON,
corresponding LED is ON and
corresponding external load is
active.
LEDs indicating blown fuse
and external power failure
(FL, FH, or F) are OFF.
Action
Inspect the power supply
related items under "Periodic
Inspection" below.
See below
• Check that the input voltage
is within specification.
• Check that the input
terminal is secure.
• Check that the module is
secured.
• Check that the external load
voltage is within
specification.
• Check the internal fuse.
• Check that the output
terminal is secure.
• Check that the module is
secured.
31