24v truck to 12v caravan.
My charger is stating a steady 24-28v input and I have set the output to 12v however the output continuously fluctuates from 12v and drops to 8 and 7v. The charger then jumps back to 12v and continues this voltage drop cycle. The voltage fluctuation happens at any engine RPM.
Any help in getting a steady 12v output would be appreciated.
First thing to check is the wiring. Breaks, faulty connections.
Where are you measuring the voltage changes?
Where is the charger installed?
Is there a battery on both the output and input?
Is it set up as charger or power supply?
24v battery system on the truck side and 12v battery system on the caravan side.
The TR-Smart is set up as a charger with the output voltage set to 12v.
I think it may be that the 12v system is sensing how many amps it can draw and once it attempts to draw more than 30a the TR-Smart turns the output voltage off. The 12v system them drops the demand below 30a and the TR-Smart turns back on. I believe it is going through this cycle and switching the output on/off as the 12v system continuously tries for more than 30a.
Would setting the TR-Smart to power supply provide a continuous 12v and 30a?
