Troubleshooting Roadmaster Invisibrake That Stopped Working

Question:

My invisibrake quit working. The red light on the dash of the Motorhome stays on all the time and the warning whistle blows non- stop. I had to cut the line to the whistle to stop the noise.

asked by: Darrell H

Expert Reply:

Sorry to hear about this problem, lets trouble shoot it below:

**Roadmaster InvisiBrake Supplemental Braking System # RM-8700.
**Replacement Pulley for Roadmaster InvisBrake Supplemental Braking System - Qty 1 # RM-452104-10.

This is going to be a cable issue or a communication problem with the waring device.

If the cable pulling on the brake pedal is to tight it will not let the pedal return to its zero position.
• Readjust the brake pedal clamp. As you do this make sure that the cable is not bound or obstructed, check it for damage.
• If you notice incorrect cable adjustment — refer to the installation instructions for proper adjustment.
• Check the pulley for obstructions or damage.

If you have the wireless dashboard warning lights makes sure the transmitter is not in sleep mode and has enough battery charger.
If you have a hardwired warning system then you need to check the cable for shorts or damage.