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richard-maton asked

Why my Skylla IP65 intermittently stops charging

I installed a new Skylla IP-65 charger (12V/70Amps/3 outputs) with the Skylla-i Control 2 weeks ago. It is setup with 2 lead-acid battery banks. DC power cables are #6 AWG. (1 output is left open) I'm also using the temperature sensor and the remote voltage sense on bank 1. It's been working very well since last night. After a 6 hour boat ride, we got into the marina, connected shore power and the Skylla stayed at 0.0 amp. Skylla-i control was showing bulk mode, with 0.0 amps and battery voltage of 11 volts. I measured 12.5 volts at the battery post and the skylla charger posts. Turned it on and off twice. Same result. Thinking that it might be the temp sensor or the Vsense circuitry problem, I disconnected those 4 wires and switched it on again. Same result. I shut it down again, reconnected all the temp/Vsense wires, turned it on and now it's working!!! The charger was not hot in any way and is not installed in the engine room. Since then, I cycled the AC power this morning to see if it would fail again and it did not. What am I looking at? Cold solder on the circuit board? software bug? known issue? Thanks for your help.

Skyllaip65
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rlynch03 avatar image rlynch03 commented ·

I have the same Skylla IP-65 charger (12V/70Amps/3 outputs) connected for the last 28 days or so. No problem until today. Noticed the same trouble this morning. Skylla is up and running but will not charge the batteries. Also under the Cerbo GX Reset the power, verified source voltage at 123volts.

Will try the disconnect and reconnect procedure that worked for you. Not sure of the root problem however.

Hopefully Victron tech's will weigh in, potential software update to correct. Firmware is v1.10 on the Skylla.


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