![]() ![]() To force a solar charge, disconnect the cranking battery with the engine turned off. Once the cranking battery is reduced to 12.8v the DCDC charger will switch to solar. The logic behind this is to get the highest amount of current available 20/40 amps. Even when the vehicle has stopped the DCDC charger will charge the auxiliary battery via the cranking battery until the cranking battery reaches a voltage of 12.8v. ![]() My solar panel does not seem to engage the DCDC charger.Īn iTechworld DCDC charger prioritizes vehicle input over solar. This is a safety feature to ensure you cannot change the battery charging profile by mistake which could then potentially damage the battery i.e so you do not charge a lead acid battery on a calcium battery charging profile. ![]() Please disconnect the auxiliary battery to change the battery charging profile. You cannot change the battery charging profile when the auxiliary battery is connected. If the DCDC charger does not light up, it points towards an issue with the DCDC charger and you should contact us cannot change the battery charging profile on my DCDC charger.If the DCDC charger lights up, it points towards an issue with the installation. ![]() Press and hold the positive lug to the positive terminal of a battery a voltage greater than 12.8v.Press and hold the negative lug to the negative terminal of a battery with a voltage greater than 12.8v.This will reveal two metal lugs, one positive and one negative.Slide off the red anderson plug on the vehicle input side of the DCDC charger.Remove the DCDC charger from its current installation.Please note that even though you see voltage, there may not be enough current to engage the DCDC charger. If the DCDC charger is not lighting up it will be due to something in line blocking the current to the DCDC charger. The ignition override cable must be connected to an ignition controlled source, this will allow the DCDC charger to operate as you would expect. If your vehicle has a smart alternator, you must use the ignition override cable. Please ensure that your cranking battery has a voltage of 12.8v +. My DCDC charger is un-responsive – does not light up and does not switch on. To allow the DCDC charger to operate at a lower voltage, the ignition override cable must be connected to an ignition controlled source, this will prevent the DCDC charger from clicking. The DCDC charger will click if the voltage dips on the cranking battery, this is usually caused by the DCDC charger trying to pull a large amount of current and is more common with the iTECHDCDC40. The solar voltage exceeds the specifications of the DCDC charger (25v). Solar voltage/current is not great enough to engage the charging algorithm (16v and 3amps). Why is my DCDC charger “clicking” re-setting.Īn iTechworld DCDC charger will click for two different reasons. Please check the connection between the DCDC charger and the auxiliary battery. Why is my DCDC charger “beeping” or making an audible alarm.Īn iTechworld DCDC charger will make an audible alarm when there is an issue with the auxiliary battery or the connection between the DCDC charger and the auxiliary battery. Listed below is some of the most frequently seen troubleshooting issues. Need help? We are happy to give you the support you need for your iTechworld DCDC charger. ![]()
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