Basic Hardware and Function
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9. Maintenance and Checks
9.2 Daily checks
To maintain the system and to prevent troubles, check the following items on daily basis.
Item
Check
Corrective measures
Status LEDs
PWR
(power)
Lit when internal 5 V is
normal.
If the LEDs are not normal, see
10. Troubleshooting.
RUN
Lit when operating
normally.
FLT (fault)
Not lit when operating
normally.
Mode control
switch
Check that the mode control switch is in
R (RUN) side. Normal operation is
performed when this switch is in R
(RUN) side.
Turn this switch to R (RUN) side.
Input LEDs
Lit when the corresponding input is ON.
·
Check that the input terminal
screw is not loose.
·
Check that the input terminal
block is not loose.
·
Check that the input voltage is
within the specified range.
Output LEDs
Lit when the output is ON and the
corresponding load should operate.
·
Check that the output terminal
screw is not loose.
·
Check that the output terminal
block is not loose.
·
Check that the output voltage is
within the specified range.
!
CAUTION
1. Pay special attention during the maintenance work to minimize the risk of
electrical shock.
2. Turn off power immediately if the T1/T1S or related equipment is emitting
smoke or odor. Operation under such situation can cause fire or electrical
shock.
CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: [email protected]