Installation Guide

PAGE 19* This guide is for reference only. If problems persist, see a professional installer.
With Trailer Connected
Condition Display Probable Cause Probable Solution
Display shows only one
decimal point when
power is applied to
control. No trailer brakes
when brake pedal or
manual control is used
Decimal No connection between
brake control and trailer
brakes – blue wire circuit
Confirm connection
to trailer connector
Confirm connector
terminal positions
Check trailer
No trailer brakes,
pedal or manual
Output power
not blinking
Mis-wired trailer
connector
Confirm trailer connector
terminal positions
No trailer brakes,
pedal or manual
Flashing
Short or overload
in trailer brakes
Troubleshoot trailer
brake circuit per brake
manufacturer's instructions
Weak or no trailer brakes
or trailer lights illuminate
with brakes
Output power
not blinking
Mis-wired trailer Check and correct
trailer wiring
Trailer brakes
on all the time
Standby mode
Sleep mode
Mis-wired trailer
connector
Check and correct
connector wire positions
Display shows A.E.
after releasing brake
Internal error Replace brake control unit
No trailer brakes,
pedal or manual
Flashing
Loss of trailer connection,
unplugged or bad wiring
Stop and check
trailer connector