07Fault

Voltronic inverter error 07

Overload time out

Fault — the inverter cuts its output and the red LED stays solid until the fault is cleared.

The exact meaning depends on your model:

Axpert MAX II TWIN

InverterFault

Also applies to:Axpert MAX II TWIN 8KWAxpert MAX II TWIN 11KWAxpert MAX II TWIN 12KWAxpert MAX II Duplex 8KWAxpert MAX II Duplex 11KWAxpert MAX II 8KWAxpert MAX II 11KWAxpert MAX 8K TWIN PV11K+27

What it means

Overload time out

Cause: Overload error. The inverter is overload 110% and time is up.

How to fix it

Reduce the connected load by switching off some equipment.

Source: Axpert-MAXII-8K-TWIN-Off-grid-manual.pdf, p.47 · Axpert-MAXII-8K-TWIN-Off-grid-manual.pdf, p.55 · Axpert-MAXII-11K-TWIN-Off-grid-manual.pdf, p.47 · +41 more official manuals

Axpert VM II

InverterFault

Also applies to:Axpert VM II 1.2KVAAxpert VM II 2.5KVAAxpert VM II Plus 3KAxpert VM II 3KVA PF1Axpert VM II 5KVA PF1Axpert V 1KVA-5KVA PF1

What it means

Overload time out — Fault code 07 shown on the display with the fault icon on: Overload time out.

Cause: Overload error. The inverter is overload 105% and time is up.

How to fix it

Reduce the connected load by switching off some equipment.

Source: Axpert-VM-II-1.2KVA-2.5KVA_Plus-3K_manual.pdf, p.29 · Axpert-VM-II-1.2KVA-2.5KVA_Plus-3K_manual.pdf, p.33 · Axpert-VM-II-PF1-USB-dry-contact-100A_manual.pdf, p.28 · +3 more official manuals

InfiniSolar V II

InverterFault

Also applies to:InfiniSolar V II 2KWInfiniSolar V II 3KWInfiniSolar V II 5KWInfiniSolar V II 1.5KWInfiniSolar V II WP 2KWInfiniSolar V II WP 3KWInfiniSolar V II WP 5KWInfiniSolar V 1KW+4

What it means

Over load time out — Fault code 07 shown on the display with the fault icon on: Over load time out.

Cause: Overload error. The inverter is overload 110% and time is up.

How to fix it

Reduce the connected load by switching off some equipment.

Source: InfiniSolarVII_2KW-3KW-5KW_manual.pdf, p.26 · InfiniSolarVII_2KW-3KW-5KW_manual.pdf, p.28 · InfiniSolarVII_1.5KW_manual.pdf, p.27 · +5 more official manuals

InfiniSolar WP LV 12KW Premium

InverterFault

What it means

Relay fault — Fault code 07 shown on the display with the fault icon on: Relay fault.

Cause: Relay fault.

How to fix it

  1. Restart the unit.
  2. If the fault happens again, contact your installer or the repair centre.

Source: InfiniSolar-WP-LV-12KW-Premium-manual.pdf, p.52

InfiniSolar 10KW

InverterFault

Also applies to:InfiniSolar 15KWInfiniSolar Super 4KWInfiniSolar Plus 5KW

What it means

Relay fault — Fault code 07 shown on the display with the fault icon on: Relay fault.

Cause: Internal components failed.

How to fix it

Please contact your installer.

Source: InfiniSolar-10KW-manual-20191126.pdf, p.50 · InfiniSolar-15K-manual-20200313.pdf, p.51 · InfiniSolar-Super-4KW-manual.pdf, p.47 · +1 more official manuals

InfiniSolar E 5.5KW

InverterFault

What it means

An relay failure event is detected — Fault code 07 shown on the display with the fault icon on: An relay failure event is detected.

Cause: An relay failure event is detected.

How to fix it

  1. Disconnect AC circuit breaker first.
  2. Then, disconnect DC circuit breaker.
  3. Until LCD screen completely shuts down, turn on DC breaker first.
  4. It will show "No Utility" in LCD screen.
  5. Then, turn on AC breaker.
  6. After 300 seconds, the system will automatically connect to the grid.
  7. If the error message still remains, please contact your installer.
  8. The internal temperature is higher than specified temperature.
  9. Leave inverter to cool down to room temperature.
  10. If the error message still remains, please contact your installer.
  11. Check if the open circuit voltage of PV modules is higher than 500VDC.
  12. If PV open circuit voltage is less than 500VDC and the error message remains, pelase contact your installer.
  13. Turn off the inverter.
  14. Then, restart the inverter.
  15. If the error message still remains, please contact your installer.
  16. The ground voltage is too high.
  17. Please disconnect AC breaker first and then DC breaker.
  18. Check if grounding is connected properly after LCD screen.

Source: InfiniSolarE-5.5KW-manual.pdf, p.43

InfiniSolar 2KW/3KW

InverterFault

Also applies to:InfiniSolar 2KWInfiniSolar 3KW

What it means

An relay failure event is detected — Fault code 07 shown on the display with the fault icon on: An relay failure event is detected.

Cause: An relay failure event is detected.

How to fix it

  1. Disconnect AC circuit breaker first. Then, disconnect DC circuit breaker
  2. Until LCD screen completely shuts down, turn on DC breaker first. It will show "No Utility" in LCD screen. Then, turn on AC breaker. After 300 seconds, the system will automatically connect to the grid
  3. If the error message still remains, please contact your installer.

Source: InfiniSolar-2KW3KW-manual.pdf, p.46

InfiniSolar TX-PA 30KW

InverterFault

What it means

S SCR Close Fault — Fault code 07 shown on the display with the fault icon on: S SCR Close Fault.

Cause: Internal components failed.

How to fix it

Please contact your installer.

Source: InfiniSolar-TX-PA_manual.pdf, p.50

DC Converter 3KW

InverterFault

What it means

Temperature is too high — Fault code 07 shown on the display with the fault icon on: Temperature is too high..

Cause: Temperature is too high.

How to fix it

  1. Check temperature on the LCD
  2. Check if fan is working
  3. If the problem remains, please contact your installer.

Source: DC-converter-3KW-manual.pdf, p.20 · DC-converter-3KW-manual.pdf, p.21

ESS510

Energy storage systemFault

What it means

Relay failure is detected — Fault code 07 shown on the display with the fault icon on: Relay failure is detected..

Cause: Relay failure is detected.

How to fix it

  1. Disconnect AC circuit breaker first.
  2. Then, disconnect DC circuit breaker.
  3. Until LCD screen completely shuts down, turn on DC breaker first.
  4. It will show "No Utility" in LCD screen.
  5. Then, turn on AC breaker.
  6. After 300 seconds, the system will automatically connect to the grid.
  7. If the error message still remains, please contact your installer.

Source: ESS510-manual.pdf, p.68

Galleon One 5KL 48V

upsFault

What it means

Overload time out — Fault code 07 shown on the display; the UPS has detected a fault condition: Overload time out.

Cause: Overload error. The UPS is overload 110% and time is up.

How to fix it

Reduce the connected load by switching off some equipment.

Source: GalleonOne-5KL-48V-manual.pdf, p.22 · GalleonOne-5KL-48V-manual.pdf, p.28

Giant Elite 3P/3P

upsFault

Also applies to:Giant Elite 3P/3P 10K-40KVA

What it means

INV in L1 is short circuited — Fault code 07 shown on the display; the UPS has detected a fault condition: INV in L1 is short circuited.

Cause: INV in L1 is short circuited.

How to fix it

  1. Restart the unit.
  2. If the fault happens again, contact your installer or the repair centre.

Source: Giant-Elite-3P3P-manual.pdf, p.41

Frequently asked questions

What does error 07 mean on a Voltronic inverter?
It depends on the model — 39 devices use code 07. On the Axpert MAX II TWIN it means: Overload time out. The card for each model on this page gives its exact meaning and fix.
Is error 07 a fault or a warning?
07 is a fault code: the inverter cuts its output and the red LED stays solid until it is cleared.
How do I clear or fix error 07?
Reduce the connected load by switching off some equipment. The exact steps for each affected model are listed on this page.

Related error codes

Other codes on the Axpert MAX II TWIN

All Axpert MAX II TWIN codes All Axpert MAX II Duplex codes All Axpert MAX II codes All Axpert MAX TWIN codes All Axpert MAX E TWIN codes All Axpert MAX E Duplex codes All Axpert MAX codes All Axpert KING II TWIN codes All Axpert KING codes All Axpert MKS IV TWIN codes All Axpert MKS IV codes All Axpert MKS III TWIN codes All Axpert MKS II codes All Axpert VM III codes All Axpert VM IV TWIN (VM4 TWIN) codes All Axpert KS codes All Axpert WP TWIN codes All Axpert 3KP/5KP 24V codes All InfiniSolar V II 6KW (Split Phase) codes All ESS-A510 codes

Other codes on the Axpert VM II

All Axpert VM II codes All Axpert VM II (PF1) codes All Axpert V (PF1) codes

Other codes on the InfiniSolar V II

All InfiniSolar V II codes All InfiniSolar V II 1.5KW codes All InfiniSolar V II WP codes All InfiniSolar V codes

Other codes on the InfiniSolar WP LV 12KW Premium

All InfiniSolar WP LV 12KW Premium codes

Other codes on the InfiniSolar 10KW

All InfiniSolar 10KW codes All InfiniSolar 15KW codes All InfiniSolar Super 4KW codes All InfiniSolar Plus 5KW codes

Other codes on the InfiniSolar E 5.5KW

All InfiniSolar E 5.5KW codes

Compiled from official Voltronic user manuals. Always consult your device manual and a qualified technician before performing repairs.