# Elon® 100 first line support checklist V2.4

**Elon® 100 water heating system 1<sup>st</sup> line support checklist V2.4**

**STEP 1. COLLECT INFORMATION**

<table id="bkmrk-customer-namecustome"><tr><td>**Customer Name**

</td><td colspan="10"></td></tr><tr><td>**Customer Address**

</td><td colspan="10"></td></tr><tr><td>**Date**

</td><td colspan="3"></td><td colspan="3">**Elon® serial no.**

</td><td colspan="4"></td></tr><tr><td>**What is the issue?**

</td><td colspan="10"></td></tr><tr><td>**How long have you been experiencing this issue?**

</td><td colspan="10"></td></tr><tr><td>**Have you had any power failures recently?**

</td><td colspan="10"></td></tr><tr><td>**Have you used more hot water than usual (such as having guests over), or at a different time than usual?**

</td><td colspan="10"></td></tr><tr><td>**Has the weather been cloudy or rainy in the last day or two?**

</td><td colspan="10"></td></tr><tr><td>**Status of Elon® controller lights – GREEN light (X)**

</td><td>**On**

</td><td colspan="3">**Off**

</td><td colspan="4">**Flashing**

</td><td colspan="2">**Flashing**

**fast**

</td></tr><tr><td>**Status of Elon® controller lights – RED light (X)**

</td><td>**On**

</td><td colspan="3">**Off**

</td><td colspan="4">**Flashing**

</td><td colspan="2">**Flashing**

**fast**

</td></tr><tr><td>**Position of Elon® controller dial (X)**

</td><td>**"MAINS**

**ONLY"**

</td><td colspan="3">**1**

</td><td colspan="2">**2**

</td><td colspan="3">**3**

</td><td>**"SOLAR**

**ONLY"**

</td></tr><tr><td colspan="3">**Position of geyser circuit breaker in DB (distribution board) (X)**

</td><td colspan="3">**On**

</td><td colspan="2">**Off**

</td><td colspan="3">**Don’t know**

</td></tr><tr><td>**Anything else to note?**

</td><td colspan="10"></td></tr></table>

**STEP 2: TROUBLESHOOTING**

![](http://docs.poweroptimal.com/uploads/images/gallery/2026-06/embedded-image-hgtl1gbp.png)