WeberDriver
Master additional battery alarm defective
Summary of the thread
The issue involves a defective additional battery alarm system in a 2018 Renault Master electric vehicle, with the error stored in the error memory. The problem is likely due to the battery being discharged from aging, as indicated by a decreased capacity. The suggested solution is to replace the battery, which has resolved similar issues for others.
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4 comment(s)
WeberDriver (community.author)
Yes, I've already performed a system diagnosis. The battery shows signs of aging, specifically a decreased capacity. My inclination is that a replacement is necessary but I wanted to confirm if my understanding is correct. Did your issue resolve after going to a workshop?
karlblitz88
Ah, a full system diagnosis, you're way ahead of me! Yeah, confirmed! New battery fixed it like a charm. I really recommend a workshop visit but brace yourself: The whole thing cost me around 330€.
WeberDriver (community.author)
Thanks for the confirmation! I had anticipated a similar cost. I will schedule a workshop visit to replace the battery and address the alarm system malfunction. I greatly appreciate your assistance.
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RENAULT
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MASTER
karlblitz88
That's a familiar story! I had something similar happen with my Master. It was like a ticking time bomb, not knowing when the alarm would just... not. I mean, did you check the simple stuff first, like, is the battery actually holding a charge, or is it just completely flat?