ACR Electronics RCL-100 Panduan Pemecahan Masalah dan Penggantian Suku Cadang - Halaman 14
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Lights work
First, disconnect the coaxial cable from the MCU and Point pad. With an ohm
but no
meter set to R x 1, check continuity of the coaxial cable by placing 1 probe to the
rotation or
connector shielding and the other to the center conductor. If the cable is good,
elevation
you will get NO meter movement at all. If the cable is bad, you will get a full scale
and lights
reading on any meter scale. If you get a full scale reading, replace the coaxial
will not shut
cable connectors. If you get no reading, then the cable is OK. Turn off the circuit
off
breaker at the power source, wait 10 seconds and then turn the circuit back on.
This should reset the MCU. Re-check the functions and they should be cleared. If
you still experience the same problems, then the MCU will need to be replaced.
Light flickers
Remove four screws from the protection cover (underside of head). Lift the head
on and off as
from the base and check the slip ring and brush assembly for corrosion. If
it rotates.
corrosion is evident, clean with a wire brush. If either the brush or slip ring
assembly is corroded or pitted beyond repair, they will need to be replaced.
Power to
Check the coaxial cable with an ohm meter by placing the probes on each end of
MCU, but no
the center conductor on the coaxial cable. If there is no meter movement, replace
light on RCP
or repair the coaxial cable. If it registers a full meter reading, then the coax cable
and no
is ok and it is recommended that the point pad and MCU be sent in for testing and
functions of
possible replacement.
light.
Extending
Please be sure to use RG 59 coaxial cable, if there is a need to extend the coax
the coaxial
between the Point pad and the Master Controller or if the existing cable is
cable
damaged and needs to be replaced.
Maximum
WIRE SIZE
cable length
between the
Master
controller
and the RCL
100 light.
12V SYSTEM
# 8 AWG
#10 AWG
# 12 AWG
Y1-03-0266 Rev. A
Page | 14
24V SYSTEM
25 FEET
15 FEET
10 FEET
100 FEET
60 FEET
40 FEET