Old 05-12-2014, 03:41 AM
Join Date: Sep 2007
Posts: 65

From the manual for safety code 96

"PWM ratio too high. Check the power supply and output wiring"

I would look closely at all wiring between the charger and the supplies. Ideally the supply uses good quality 10 AWG to an EC5 connector. No adapters and no 4mm bananas.

With server supplies, DC (not AC) ground should removed from only the second supply in series (supply delivering 24v positive). The connections should be solid.

If another supply is available for testing that would be helpful. Alternatively a 12v car battery can be used to for testing.

For the NiMh packs, they may need several slow forming charges. Slow charge and discharges using a low rate. The charge cycle should take about 10 to 15 hours.
Gregor is offline  
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