4RE - Errors 176 177 178 300 301

Problem

4RE display is showing error 300 repeatedly after power-cycling the system.

Other errors may be 176, 177, 178, or 301.

Symptom(s)

The 4RE display is showing a blue block where one or more of the camera views should be, and is displaying a message that shows error 300 or that there are no cameras to display.

Solution

Summary

• Typical camera/cable troubleshooting.
• Also try a known working camera and/or camera cable from another car.

Details

1. Check that the system firmware is 3.6.7.179 or higher
2. Turn the system off
1. Turn off the car at the ignition, or
2. Turn off the system using the Power 'O' button
3. Disconnect the cable of the camera in question at both ends (camera and DVR)
4. Re-connect the cable at both ends and tighten all thumb screws
5. Turn the system on
1. Start the car with the ignition, or
2. Turn on the system using the Power "|" button
6. If the issue persists, contact Customer Support to send replacement parts
1. The replacement part(s) will be either a camera, a cable, or both

source: WKB-000016