Product Manual

PAGE 15
51170-INS-RB
800.798.0813
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TROUBLESHOOTING GUIDE - CONTINUED
Condition Display Problem Cause Possible Solution
LED display shows blue LEDs at the edges No connection between brake control
and trailer brakes - blue circuit
Confirm connection to trailer connected,
confirm connector terminal positions,
check trailer brakes
No trailer brakes, pedal or manual
(LED display has no LEDs lit up)
Mis-wired trailer connector Confirm trailer connector terminal position
No trailer brakes, pedal or manual (LED display
flashes red and yellow LEDs in sequence
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
(LED display has no LEDs lit up)
Mis-wired trailer connector Confirm trailer connector terminal position
Trailer brakes on all the time
(LED display shows red LEDs)
Mis-wired trailer connector Check and correct connector wire positions
No trailer brakes, pedal or manual (LED display
shows flashing blue LEDs at the edges)
Loss of trailer connection,
unplugged or bad wiring
Stop and check trailer connector