Frequently Asked Questions

General Questions

If you have connected the auxiliary battery, disconnect it, programme the device and reconnect. Please refer to step by step installation instructions on pages 17-23 for clarification.

Hold the OK button until you hear the audible beep. If you release the button before you will initiate the system error.

Disconnect both fuses. Replace MAIN battery fuse. Press and HOLD the OK button until you hear the audible beep to start programming. Follow steps 7 through 12 in the manual. Leave for 1 minute. Turn ignition on and display will show AUX battery voltage and current.

If the unit is programmed you need to connect the auxiliary battery to commence normal operation.

In voltage control mode the device is switching (on/off) based on the vehicle start battery, if the device hasn’t switched off it means the voltage on the start battery hasn’t dropped below 12.5VDC.

This will be subject to a number of factors, the main one being “do you want the DCC to switch on/off with the ignition?” If you are unsure, speak with your installer to discuss your application requirements.

For vehicles with an ECU controlled alternator you should typically use the ‘low’ setting. For vehicles with a conventional alternator the normal setting is fine. If you are unsure, speak with your installer to discuss your application requirements.

Yes, however care needs to be taken when feeding the connector through the grommet as excessive force can damage the connector and this is not covered under warranty. The connector protective cover should remain over the connector until the cable is run and you are ready to plug it into the back of the display.


All of our approved distributors should be able to assist on this front and we recommend they be your first point of call for general advice – especially if they are an installer (many of them are). Alternatively please use the “contact us form” and advise us where you are located as well as the serial number of your device and we can put you in touch with a local installer to assist you further.

Solar Panel

Check all connections between the DCC and the solar panel. Make sure the solar panel is angled towards the sun, and not in the shade such as under a tree or in the garage. Other factors such as the time of day and cloud cover will also reduce the effectiveness of your panel and if there is not enough usable solar power the DCC Pro will remain in standby mode until this improves.

The DCC Pro does this automatically depending on the conditions. For example, if the DCC Pro is in standby mode and the voltage on the solar panel rises above 18VOC it will automatically implement SLT SOLAR mode. If the DCC Pro is already operating in DC to DC charging mode the solar will be paralleled with the main battery input to allow the DCC to use both the main battery and solar for charging – in voltage control mode, if the vehicle is switched off (and there is enough solar available) the solar will in fact direct charge to your main battery and allow the DCC Pro to continue to charge the auxiliary battery in boost/absorption/float mode for as long as there is enough power to do so. If the solar charges the main battery to 14.5VDC the DCC Pro will release the main battery and switch to PRM SOLAR mode. This is all occurs automatically and requires no manual intervention from the user.