Handheld Remote Diagnostic Mode Instructions

When an error is detected on the Trident C220 controller, the details can be viewed by going into Diagnostics mode. This mode can tell you if there is a wiring problem on the C220. To get into Diagnostics mode, you first have to get into Configuration mode. Then immediately press the LEFT and RIGHT buttons at the same time.

Here is a video that shows how to enter Diagnostics mode.