Roadmaster RM3477 Technical Information download pdf (Page 95)

EVENBRAKE

DIAGNOSTICFLOWCHARTS

After the initial installation, the motorhome monitor text message may indicate a low battery, or it may read “Not operational …,” or the motorhome

monitor may not function. A component may be mis-wired, or the monitor may not be programmed to the ICX transmitter. Use the three flow charts

below to identify and correct the cause of the monitor messages, or to program the motorhome monitor.

(Before beginning an installation, always follow the installer’s checklist in the owner’s manual (on page three). The checklist identifies vehicle-specific

components, features or towing procedures which may disrupt power to Even Brake, and the devices/methods to restore it. The most recent manual is

available at www.roadmasterinc.com, under ‘Support.’)

FOR

SERVICE TECHNICIANS

LOW BATTERY INDICATION

ATTHEMOTORHOMEMONITOR

MOTORHOMEMONITOR

READS “NOT OPERATIONAL …”

MOTORHOMEMONITOR

DOES NOT FUNCTION

1. With the ignition key in the ‘tow’ posi-

tion, test the ICX power connection for 12

volts — first, ground a test light at the

same point as the ICX transmitter (i.e., at

the white wire). Then, test for 12 VDC

the red wire (the power connection) com-

ing from the fuse to the ICX transmitter.



2. Check to see if the vehicle has an ‘au-

tomatic shut down’ feature, or if fuses

must be removed prior to towing, both of

which may cut power to the connection(s)

you have chosen — refer to the owner’s

manual, or to the manufacturer.

3. If you have 12 VDC

, verify that the

voltage is above 10.5 amps. Using a

voltmeter, test the vehicle’s battery, the

12-volt outlet, and the red wire coming

from the fuse to the ICX transmitter.

4. If the volt-

meter regis-

ters above 10.5

amps, call the

technical support

department at

800-669-9690.



4. If the voltme-

ter registers be-

low 10.5 amps,

charge the bat-

tery, then test

the condition of

the battery.



1. Push the button with the right-hand arrow on the

motorhome monitor, to scroll to the second mes-

sage.



2. If the second mes-

sage is “No brake light

switch detected …”



3. Verify that there is 12

VDC

at the terminal

marked “1” on the ICX

transmitter, when the

towed vehicle’s brake

pedal is depressed.



4. If you have 12

VDC

at terminal 1,

call the technical sup-

port department at

800-669-9690.



2. If the second mes-

sage is “Brake pedal is

depressed …”



3. Check the position-

ing — with the ignition

key in the “tow” posi-

tion, push the “Test”

button. The air cylinder

will extend and retract

three times. Verify that

there is no current at

the #1 terminal on the

ICX transmitter when

the air cylinder is re-

tracted, and 12 VDC

when the air cylinder is

extended.



4. If the positioning is

correct, call the techni-

cal support department

at 800-669-9690.

1. If the monitor does not function at

the motorhome, move the monitor to

the towed vehicle for a short range test.

If the towed vehicle does not have two

12-volt outlets, use another 12-volt pow-

er source, such as a jumper box.



2. With Even Brake plugged in and ready

to be tested, press the “Test” button.



3. The LCD text

message at the

monitor is “Even

Brake.”



4. Program the

motorhome mon-

itor to the ICX

transmitter. Re-

fer to “Program

the monitor” in

the Even Brake

owner’s manual.



3. The LCD text

message at the

monitor is “Test

is good — System

ready.”



4. Call the tech-

n i c a l s u p p o r t

department at

800-669-9690.



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Roadmaster RM3477 Technical Information Page 95

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