BMPRO THOR RVMASTER - Controller displays 88 error; Controller screen is blank

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I’ve left my RV on for a few days; now the screen on my Controller is blank and I

can’t use the RVMaster App?

The Controller will go to sleep if it has been left on for more than 48 hours and not

been used in that time.

Touching the screen will not wake up the Controller. To wake up the Controller

and use the RVMaster App again:

1. Using the < or > buttons on the Controller, navigate to the OF function.

2. Press EXT to wake the display on the Controller.

This will put the RVMaster in standby mode and turn oﬀ the lights.

The Controller is displaying the code 88 and is unusable, what do I do?

The Controller will display 88 on its menu display if there is a system error which

prevents the use of the system.

If you encounter an 88 error, contact your RV dealership for more assistance.