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19
3 OPERATION
LED Sequence
Symptom/Description Possible Cause
Suggested Action
1 Second
BLUE Breathing when
the Override button
is pushed
The trailer brakes have
not been detected OR the
trailer is not plugged in
Check the trailer plug and
all connections between the
controller & brakes
Time
Flashing a Blue/
Green sequence
The unit is in the process
of calibrating, this is NOT
a fault
Keep driving normally and
the unit will calibrate
1 Second
The LED is YELLOW
and flashes PURPLE
twice
There is a fault with the
unit and/or the installation
Check and clean trailer plug
connection. Please contact
REDARC or visit your local
auto-electrician for further
assistance
1 Second
The LED is YELLOW
and flashes RED
once per second
There is a short circuit
somewhere on the brake
output line (BLUE wire)
Check all wiring from the
unit to the trailer brakes for
any wiring faults, including
at trailer plug or within
brake hubs
1 Second
The LED is YELLOW
and flashes RED
twice per second
There is a short circuit
somewhere on the brake
light circuit (RED wire)
Check all wiring from the
unit to the brake light trigger
for any wiring faults
1 Second
The LED is YELLOW
and flashes RED four
times per second
There is a break/open
circuit somewhere along
the Tow-Pro
®
Elite’s
Ground circuit (WHITE wire)
Check all ground
connections and associated
wiring for any wiring faults
1 Second
The LED is BLUE and
flashes RED once
per second when
vehicles brake not
applied
The unit has detected that
the Remote Cable is faulty,
or it is in calibration mode
with a permanent input on
the brake light trigger
Check the Remote cable is
fully plugged in, otherwise
replace; check red wire has
0V when vehicle brake is
not applied
1 Second
The LED is flashing
RED
The unit has detected an
internal fault of your Al-Ko
iQ7 hydraulic/pneumatic
system
Check for faults according
to the manual for the Al-Ko
iQ7 actuator
There is a voltage drop
between the trailer ground
and the vehicle ground
If you don’t have an Al-Ko
iQ7, check for suitable
wiring on the trailer ground
circuit
1 Second
The LED is flashing
GREEN only whilst
braking
Loss of supply power or
Circuit Breaker cycling
Check supply (BLACK)
wire for good connection &
check circuit breaker/fuse
not blown and correct value
1 Second
The LED is flashing
GREEN at any time
Hesitation during
connection of BLACK
wire possibly causing
incomplete startup
sequence
Disconnect BLACK
wire, wait 1 minute and
reconnect BLACK wire to
the battery
Содержание EBRH-ACCV3-NA
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