Nova Series Laser Won't Turn On - No Power

Preface: This article covers some of the basics for when your Nova Series Machine will not power on.

Basic things to Check:

Emergency Stop Button

Symptom	Fix
Estop Button Pressed. Could be accidental by like a pet, a long board, a kid walking through the garage. It happens. But Lets check it to be sure even if you think it is not the case.

Laser Machine Main Breaker

2017 and new machines will have a breaker. Otherwise, see the check for a fuse further down in this article.

Symptom	Fix
A tripped\off main breaker in your Laser Control Panel Example of a tripped breaker on a Nova 51. Green Indicator means the breaker is Off and not passing power	Determine what tripped the breaker or if it was just off. Correct the issue and reset the breaker. How to Reset: 1.Press the Estop 2.Reset the breaker 3. Clear the Estop 4. Check for power up

Feeder Breaker for Laser Machine Receptacle

You will need to locate your panel and know which breaker feeds the machine. Each users panel will be different so this information is relative to the situation

Symptom	Fix
Locate the main breaker for your Receptacle that the Laser Machine Plugs into. Is it Tripped? (Look for an Orange Tripped indicator, may not be exactly like that is shown here)	If you are not using a dedicated breaker (you have other items on your circuit) you need to remove them and dedicate the receptacle to the laser only. Here is how to reset:

Internal Fuse Blown

For 2016 and older machines you will need to check for a Fuse instead of a circuit breaker. Please check and replace the fuse, like below.

Symptom	Fix
Check for a blown fuse at the back of the machine in the power socket. Example of a blown fuse	Determine what blew the fuse. Correct the issue and replace the fuse. Good Fuse:

Reference Articles:

NOVA series 120V Power testing with a multimeter for when a machine "will not turn on"

Nova Series v8 AC Power Overview and Diagnostics

Internal Breaker Tripping When Starting Or Running A Job

NOVA Main Breaker Tripped Troubleshooting Steps

• Related Articles

• Nova Series Users Manual

  For Thunder Laser USA support please email support@thunderlaserusa.com

• How to Align your Thunder Laser Nova Series machine - Quick Start Alignment Guide

  Preface: This article covers How To align your laser beam in a 3 mirror gantry based Nova laser. Here are some quickstart videos that will cover 90% of the situations. They do not contain every last iota of detail but should be enough to get most ...

• NOVA series How To replace the 24VDC Controls Power Supply

  This article covers how to replace the 24V Power supply that powers the controls for your NOVA machine. Note that this was done on a NOVA35. Larger Machines like the NOVA63 will have this Power Supply by it self not hidden by the 36V power supply. ...

• NOVA series How To replace the 36VDC Driver Power Supply

  This article covers how to replace the 36V Power supply that powers the drivers for your NOVA machine You will need: -30 minutes -Phillips screw driver with standard length -Voltmeter (How To Use A Multimeter) -Camera -Replacement Meanwell LRS-350-36 ...

• Thunder Laser Main Power Requirements

  Preface: This article covers the main power requirements for your Thunder Laser. It is your responsibility to properly install a Local Code Compliant power feed for the machine. Nothing in this guide will supersede a Local Jurisdiction and you should ...