Install Issues
- Leakage Current Protection (I-LEAK PRO)
- Ground Fault (PV-ISO)
- Over Temperature (TEMP PRO)
- Hybrid – Troubleshooting checklist
- PELD Troubleshooting checklist
Grid issues
- Grid Under Voltage (UN-G-V)
- No Grid (NO-GRID)
- Grid Interference (GRID-INTF)
- Grid Over Voltage (OV-G-V)
- Grid Under/Over Frequency (UN/OV-G-F)
System issues
Digital Twin Issues
Install: Over Temperature (TEM-PRO)
The inverter has shut down to protect its internal components after detecting an ambient temperature higher than 60℃.
The inverter will reduce power output as ambient temperature levels rise above 45℃ in order to attempt to avoid shutdown.
The temperature data included in the monitoring data is the IGBT temperature which is 20-50℃ higher than the ambient temperature. It is normal that this monitored IGBT temperature can reach temperatures in excess of 85℃.
Possible causes are;
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The airflow at the back-side of the inverter is blocked.
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The ventilation around the inverter is not sufficient or the inverter is in direct sunlight.
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The fans in the inverter are faulty.
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The temperature detector in the inverter is faulty
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Remove any objects blocking the heat-sink
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If the inverter hangs outside in direct sunlight and the issue shows only on bright days, consider a roof construction.
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For larger inverters you can activate a fan test sequence to confirm the fans are operating correctly.
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If the external ambient temperature is not above 60C, turn the inverter OFF, wait 10 minutes and restart. If it does not restart, create a case to replace the inverter.
This is an inverter driven issue.
Issue Creation
If the inverter sends a single message with this type of alarm in a 24hr period an issue will be created.
Resolution:
If a 24hr period passes with good production, and not futher alarms, the issue will be automatically resolved.
Still need help? Please raise a case in Helios