Growatt MTL-S Manuel utilisateur

Growatt New Energy Australia Pty Ltd

C1, 27-29 Fariola Street,

Silverwater NSW 2128

Phone: 02 8065 1298

Email: [email protected]

Email:

ausupport@ginverter.com

www.ginverter.com

Troubleshooting Guide for Growatt Inverters

Introduction

Due to a large amount of inappropriate outcome of troubleshooting on Growatt inverters,

our Australian office decide to compile a trouble shooting guide for Growatt installer

customers, which aims to resolve the problem in the initial stage of a technical diagnosis of

Growatt inverters and reduce the related cost of its process. We hope this document would

be helpful during a phone or email conversation when facing customer’s technical enquiries.

1. Faulty code

Faulty code identifies the current states of the Growatt inverter. Warnings do not relate to a

fault. When a fault code with a number after it appears in the display, it indicates a fault on

the inverter or the system and is usually cleared through an orderly shutdown/re-set or a

self-corrective action performed by the inverter. See the faulty codes in the following table

and corresponding solutions.

The faulty code will display on the first line of the LCD screes of Growatt inverters, please ask

the customers to read this part for you and then you can figure out the phenomenon

accordingly by following sections.

1.1 No AC Connection

Cause: Somewhere disconnected from grid to inverter.

Error message

Description

Solutions

No AC Connection

No utility grid connected or

utility grid power failure

1. Check if AC isolator /solar

main supply switch is on

2. Check if AC cables are

firmly and correctly

connected.

3. Contact Growatt to claim

warranty

1.2 AC V Outrange

Cause: The grid voltage is out of permitted range, or the inverter’s voltage limit is incorrect.

AC V

Outrange

MTL-S model

Go to 1.2.1

Non-MTL-S

model

Purchased after 2017

Go to 1.2.3

Growatt New Energy Australia Pty Ltd

C1, 27-29 Fariola Street,

Silverwater NSW 2128

Phone: 02 8065 1298

Email: [email protected]

Email:

ausupport@ginverter.com

www.ginverter.com

Purchased before 2017

AC voltage

reading<262V

1.2.2.1

AC voltage

reading>262V

1.2.2.2

NB: for 5000UE model, if the inverter indicate AC V OUTRAGE, please ask your customer to

check the AC switches first, including AC isolator and solar main supply switch(in the Main

Switch Board)

1.2.1 MTL-S model inverter

If the inverter’s model is MTL-S, please find DIP switch at the bottom of inverter and set it to

switch 1, 5 on while switch 2, 3, 4 off. Please refer to Fig 1.1 and Fig 1.2.

Fig 1.1

Growatt New Energy Australia Pty Ltd

C1, 27-29 Fariola Street,

Silverwater NSW 2128

Phone: 02 8065 1298

Email: [email protected]

Email:

ausupport@ginverter.com

www.ginverter.com

Fig 1.2

1.2.2 voltage setting by knocking the inverter (for old model)please check the LCD display

of the inverter below if the AC figure is lower than 262V or not. If yes, please follow

the next steps.

1.2.2.1 lower than 262V

Growatt New Energy Australia Pty Ltd

C1, 27-29 Fariola Street,

Silverwater NSW 2128

Phone: 02 8065 1298

Email: [email protected]

Email:

ausupport@ginverter.com

www.ginverter.com

Knock to make the display become bright Knock to item “Model: GTXXXXXX”Double

knock to enter voltage range setting Knock to change “QLD VMAX 255V”it to “Normal Vot

range”wait until the display become dark, then the inverter saved change.

Note: This function is only for Ergon Energy area, Queensland, Australia.

1.2.2.2 higher than 262V

Voltage calibration by RS232 USB cable

Our inverters support communication function via cable, please use RS232 USB cable and PC

computer to recalibrate your inverter’s voltage sensor as follows：

Turn on DC switch, compare the grid voltage measured by multi-meter, and the AC voltage

displayed on the inverter. If the difference is more than 3V, please calibrate the detected AC

voltage of the inverter by following steps:

•Connect the inverter to PC via RS232 USB cable.

•Open the software, ShineCHKVac to calibrate AC voltage as below picture.

•Turn on the AC breaker, then type the whole number of the voltage value measured

by multi-meter. For example, if the multi-meter measured grid voltage is 230.2V,

you can input 230, if the grid voltage is 230.6V, you should input 231V.

Please make sure to input the right COM port number of your PC.

Growatt New Energy Australia Pty Ltd

C1, 27-29 Fariola Street,

Silverwater NSW 2128

Phone: 02 8065 1298

Email: [email protected]

Email:

ausupport@ginverter.com

www.ginverter.com

Fig 1.4 ShineCHK

Increase voltage range via shinewifi

Basically we have two method to increase the voltage range, one is via ShineWifi and the

other is via software Shinebus.

a) Change it remotely via Wi-Fi module monitoring

If the inverter had been monitored by Growatt Wi-Fi module, then the setting can be

changed via computer/laptop remotely. ShineServer set inverter tripping voltage Vmax

Please follow the below steps to change the tripping voltage Vmax settings via ShineServer:

(1) After signed in, click Plant -> Device List, then click inverter. A list of monitored inverter

under the monitoring would then available.

(2) In the right side, operating field, click the SET symbol to open the Inverter setting

interface.

(3) Choose the option “Set grid voltage high”, and fill in the value. We suggest changing it to

268 volt.

Growatt New Energy Australia Pty Ltd

C1, 27-29 Fariola Street,

Silverwater NSW 2128

Phone: 02 8065 1298

Email: [email protected]

Email:

ausupport@ginverter.com

www.ginverter.com

(4) Click button to apply the change.

(5) Repeat to click button to apply the change again for 3 times.

1.2.3 ShineServer change inverter 10 minutes average voltage 255v setting

Please note, this option is only valid for new version inverters installed after 9, October,

2016. Which meet the new AS4777.2:2015 standard. Old version inverters installed before

that date are not have 10 minutes average voltage 255v limitation, thus, this step is NOT

required.

Please follow the below steps to change the 10 minutes average voltage 255v setting via

Growatt New Energy Australia Pty Ltd

C1, 27-29 Fariola Street,

Silverwater NSW 2128

Phone: 02 8065 1298

Email: [email protected]

Email:

ausupport@ginverter.com

www.ginverter.com

ShineServer:

(1) Continue with the above process, on inverter setting page, click ,

the page would then display an additional register option, as follows:

(2) Choose the option “register”, and fill in the register number 112, and the set value. We

suggest changing it to 265 volt. Please fill in 2650 there. As follows:

Growatt New Energy Australia Pty Ltd

C1, 27-29 Fariola Street,

Silverwater NSW 2128

Phone: 02 8065 1298

Email: [email protected]

Email:

ausupport@ginverter.com

www.ginverter.com

(7) Click button to apply the change.

(8) Repeat to click button to apply the change again for 5 (FIVE) times.

b) Use ShineBus software to change voltage settings

Tools we need to prepare are: RS232-to-USB cable

Laptop (or computer)

ShineBus software.

•Change tripping voltage Vmax setting

Please follow the below steps to change the tripping voltage Vmax setting:

(1) Get ShineBus software from Growatt and install it to your laptop. Then connect inverter

and laptop via RS232-to-USB cable.

(2) Switch on the DC switch to power on inverter, and switch OFF the AC switch to

disconnect inverter grid connection.

(3) Run ShineBus software.

(4) Choose the option “Parameter”, as follows:

(5) Choose “14. R1 Vac High”, as follows:

Growatt New Energy Australia Pty Ltd

C1, 27-29 Fariola Street,

Silverwater NSW 2128

Phone: 02 8065 1298

Email: [email protected]

Email:

ausupport@ginverter.com

www.ginverter.com

(6) Fill in RS232-to-USB cable’s COM port number in “COM:” field.

Set inverter’s COM address by knocking to inverter’s knock control panel (please refer to

the manual), and fill the address in “InvAdd” field.

Fill in the set value in “Set value” field. We suggest to change “14. R1 Vac High” value to

5v higher, thus is 268v.

(7) Click “Operate” to apply the change. Once inverter accepted, it would show “Set OK” in

“Set Result” filed.

(8) Tick the “Read” checkbox, and click “Operate” to read and check the change.

Growatt New Energy Australia Pty Ltd

C1, 27-29 Fariola Street,

Silverwater NSW 2128

Phone: 02 8065 1298

Email: [email protected]

Email:

ausupport@ginverter.com

www.ginverter.com

•Change 10 minutes average voltage 255v setting

Please note, this option is only valid for new version inverters installed after 9, October,

2016. Which meet the new AS4777.2:2015 standard. Old version inverters installed before

that date are not have 10 minutes average voltage 255v limitation, thus, this step is NOT

required.

Please follow the below steps to change the tripping voltage 10 minutes average voltage

255v setting:

(1) Continue with the above process, Choose “21.Vac 10min Avg”, as follows:

(2) Fill in the value in “Set value” field. We suggest change “21.Vac 10min Avg” value to 10

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