18
3 OPERATION
LED Sequence
Symptom/Description
Possible Cause
Suggested Action
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
batter
y
1 Second
The LED is flashing GREEN at any time or only when not br
aking
Low continuous voltage on brake light
(RED) wire
Check that RED wire is connected to
a point that is 0V when the brakes are
off and 12V with the brakes applied
1 Second
The LED is flashing BLUE
The power supply to the unit is not
stable.
Check the BLACK and
WHITE wires for
loose connections
Time
The LED flashes an unusual colour sequence r
andomly
whilst br
aking
There is a short circuit on the output
(BLUE) wire or the Fuse or Circuit
Breaker is overloaded
Check for short circuit on brake light
(RED) circuit
Check for short circuit on trailer brake
(BLUE) circuit,
including moving brake
swing arms
Check that no other devices are
running from the same Fuse or Circuit
Breaker as the
Tow-Pro Elite
Time
LED only lights up when br
aking and br
ak
e light fuse
may ha
ve blo
wn
The power wire is most likely not
connected
Check supply (BLACK) wire for
connection problems and check circuit
breaker/fuse is not blown
Time
The LED is not w
orking at all
There is a bad connection to the trailer
Check the trailer wiring as the unit
is not recognising that a trailer is
connected.
Summary of Contents for EBRH-ACCV2
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