Got a problem with your Growatt solar inverter? If you have a red light on the inverter, this means there is an issue with it. If this is happening with your Growatt inverter next have a look at the screen to see what it says. The Growatt may only give some numbers, like this example here, or it may have words.
Call us now on 1300 130 546 to get your Growatt solar system in Adelaide back working
Firstly it is worth trying to ‘reboot’ the inverter, ie shut down and restart. If you want some help with this, have a look here
If the error message hasn’t gone away, check here for Growatt error codes:
These error codes work for the Growatt Sungold range, 1000-3000S range, 3.6-5k-MTL range, and 2.5-5.5-MTL-S range
GROWATT ERROR CODES
| Error Code | What It means | What to do |
| Error: 100 | 2.5V Reference Voltage Fault | Broken and needs replacing |
| Error: 101 | Communication Fault | Broken and needs replacing |
| Error: 102 | Consistent Fault | Broken and needs replacing |
| Error: 116 | EEPROM Fault | Broken and needs replacing |
| Error: 117 | Relay Fault | Broken and needs replacing |
| Error: 118 | Init Model Fault | Broken and needs replacing |
| Error: 119 | GFCI Damaged | Broken and needs replacing |
| Error: 120 | HCT Fault | Broken and needs replacing |
| Error: 121 | Communication Fault | Broken and needs replacing |
| Error: 122 | Bus Voltage Fault | Broken and needs replacing |
| Auto Test Failed | Broken and needs replacing | |
| No AC Connection | An AC breaker is switched off (or no power to house) | Check switches are on |
| PV Isolation Low | Water of Moisture Somewhere | Organise testing by a PV professional |
| Residual I High | Can be Water of Moisture Somewhere | Organise testing by a PV professional |
| Output High DCI | Output Current DC offset too high | Broken and needs replacing |
| PV Voltage High | The DC voltage from the panels is too high | Probably broken and needs replacing |
| AC V Outrange | Grid Voltage out of range | May be an issue with the grid, or may be broken |
| AC F Outrange | Grid Frequency out of range | May be an issue with the grid, or may be broken |
| Over Temperature | Over Temperature | Broken and needs replacing |
| Blank screen / no lights | Either no DC power from panels or broken | Organise testing by a PV professional |
What to do now?
Growatt solar inverters generally have a 5 year warranty, so if yours was installed less than 5 years ago, you should be able to claim.
If it is older than five years we can replace your Growatt solar inverter with a new quality inverter.
Call us today on 1300 130 546
