When an error is detected on the 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.
For further assistance, please contact technical support:
support@aarcomm.com
1-604-265-8500
1-800-604-9218
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