Rack Control Module
TM
Product Manual
Rev. 1.2, May 9, 2014
Page 35
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For Single or Dual TD80 Systems:
Permit: BLINKING ORANGE
Sensor 1: BLINKING ORANGE
Sensor 2: BLINKING ORANGE
Power: BLINKING ORANGE
WHAT TO DO:
DETAILS:
WHAT TO CHECK:
REMEDY:
Check
ground
connection
Poor or no
ground
connection
Check for
continuity of
ground
connection from
RCM to truck
ground
1. Inspect RCM wiring
connections and repair as
necessary
2. Test RCM wiring for
continuity and repair as
necessary
3. Possible defective RCM,
replace the RCM
For Single or Dual TD80 Systems:
Permit: GREEN
Sensor 1: OFF
Sensor 2: OFF
Power: SOLID YELLOW
WHAT TO DO:
DETAILS:
WHAT TO CHECK:
REMEDY:
Use the UTT to
test the
permissive signal
at the API
socket(s)
a. If the UTT
indicates GOOD
i. Check for worn or
corroded pins on
the API socket(s)
Repair or replace
the socket
ii. Problem with the
terminal rack
controller cable
Inform terminal
rack operator of
problem
b. If the UTT
indicates FAIL
i. Check for worn or
corroded pins on
the API socket(s)
Repair or replace
the socket(s)
ii. Check for loose,
broken or
corroded wiring
inside the API
socket(s)
Repair or replace
the wiring or
terminator
module
iii. Check the wiring
between the RCM
and socket(s)
Repair the wiring,
replace the RCM
or affected
terminator
module
