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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. Troubleshootin
g
.
RUN Lit when operatin
g
normall
y
.
FLT (fault) Not lit when operatin
g
normall
y
.
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 correspondin
g
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 volta
g
e is
within the specified ran
g
e.
Output LEDs Lit when the output is ON and the
correspondin
g
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 volta
g
e is
within the specified ran
g
e.
!
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: info@ctiautomation.net