12
DM-R160-0427A (Rev 2)
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Start
Initial Condition:
Turn transmitter off (all lights are off—press the
E-Stop button)
Cycle power to receiver (turn off and back on)
What is the state
of the lights on
the receiver?
OK state:
Status—GREEN
Link—RED
E-Stop—RED
Fault—OFF
Note: If there is a short to ground on
an output, it is not indicated at this
stage. To test for short to ground,
refer to the “*Fault Light is RED*”
procedure at the bottom of this page
and follow the instructions.
Problem state:
Status—RED
Go to Chart 2
What is the
state of the E-
Stop light ?
OK state:
E-Stop—RED
Problem state:
E-Stop— Flashing
RED
Is the Status
light flashing
RED?
Fuse is blown, change fuse
1. Inspect wiring looking for short circuits (e.g. bare wires)
2. If problem re-occurs, call for service.
YES
NO
Inspect E-Stop wiring looking for short circuits (e.g. bare
wires)
Disconnect the E-Stop output as close to the
receiver output as possible.
If the Status light changes to:
•
GREEN, there is a short is the wiring after the discon-
nection point.
•
Stays flashing RED, call for service .
What is the
state of the
Fault light ?
Fault Light is
OFF
Fault Light is
Flashing RED
*Fault Light is
RED*
Call for service.
There is a short to supply.
1. Disconnect A & B connectors from receiver and check all
outputs for power (e.g. bare wires, improper connections)
make the correct adjustments
2. Call for service.
There is a short to ground.
Note: This should only occur when the transmitter is on and a
function button is pressed. In this case the Status light will be
GREEN and will turn RED at the same time as the Fault light.
Go to Chart 2 to test the transmitter. If the transmitter is func-
tioning properly, proceed to check the status of each of the out-
put connections:
Press each of the function buttons and observe the Fault Light.
If the light turn GREEN, everything is OK.
If the Light turns RED, there is a short in that connection.
Test the Receiver—R160
Problem state:
Status—flashing
GREEN & RED
The system is wired incorrectly.
Most likely cause is one of the in-
put/output wires has been
connected to the power source.
Troubleshooting Guide
Chart #1
