# 2002 GEM not charging...making a music sound

**URL:** <https://community.electricforum.com/t/2002-gem-not-charging-making-a-music-sound/16135>\
**Category:** Uncategorized\
**Created:** [May 24, 2019, 2:05am UTC](https://community.electricforum.com/t/2002-gem-not-charging-making-a-music-sound/16135 "2019-05-24T02:05:58Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![JarJarJava](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/jarjarjava/32/15158_2.png) [@JarJarJava](https://community.electricforum.com/u/JarJarJava)\
**Post date:** [May 24, 2019, 1:51pm UTC](https://community.electricforum.com/t/2002-gem-not-charging-making-a-music-sound/16135/2 "2019-05-24T13:51:25Z")

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Here’s a list of error codes to troubleshoot:

> [@Zivan NG1 charger error codes](https://community.electricforum.com/t/zivan-ng1-charger-error-codes/1507):
>
> This is a list of error codes for the Zivan charger used on many pre-2005 GEMs. Daniel blank: normal if charger unplugged no AC voltage check line voltage and charger internal fuse red flash: battery presence DC voltage out of range close master disconnect, check battery voltage and polarity yellow flash with audible alarm: thermal sensor failure thermistor out of range check connection and resistance of thermal sensor green flash with audible alarm: charge time too long, charger t…

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