What does 'HW COMM2' mean on my Delta Inverter?
A 'HW COMM2' error on your Delta Inverter may indicate that the Red. CPU is idling, so check reset and crystal in Red. CPU. It could also mean that the communication connection is disconnected, so check the connection between Red. CPU and DSP.
Why does my Delta Inverter show 'AC Volt High'?
A 'AC Volt High' error on your Delta Inverter can occur if the actual utility voltage exceeds the OVR setting. Check the utility voltage on the inverter terminal. It can also happen if the utility voltage exceeds the Slow OVR setting during operation, so check that as well. An incorrect country or Grid setting could also be the cause, so verify those settings. Finally, a detection circuit malfunction could be responsible; in that case, check the detection circuit inside the inverter.
Why is my Delta RPI-M15A Inverter showing 'AC Volt Low'?
The 'AC Volt Low' error on your Delta Inverter may be triggered by several factors. First, the actual utility voltage might be below the UVR setting; if so, check the utility voltage connection at the inverter terminal. Second, incorrect country or Grid settings can cause this, so check these settings. Third, there may be wrong connections in the AC plug, so verify the connection in the AC plug. Lastly, a detection circuit malfunction could be the cause; in that case, check the detection circuit inside the inverter.
What does 'Grid Quality' mean on my Delta RPI-M15A Inverter?
The 'Grid Quality' error on your Delta Inverter is caused by Non-linear load in Grid and near to inverter. Grid connection of inverter need to be far away from non-linear load if necessary.
What to do if my Delta Inverter shows 'HW Connect Fail'?
If your Delta Inverter displays 'HW Connect Fail', it may be due to a power line being disconnected inside the inverter, so check the power lines inside the inverter. It may also be caused by a defective current feedback circuit, so check the current feedback circuit inside the inverter.
What does 'HW CT A Fail' mean on my Delta RPI-M15A Inverter?
A 'HW CT A Fail' error on your Delta Inverter may be caused by a broken test current loop, so check the connection of WC3 to CNC16. It may also indicate that CSC1 is defective, so replay CSC1 with new one. Finally, a detection circuit malfunction could be the reason; in that case, check the detection circuit inside the inverter.
What does 'HW NTC2 Fail' mean on my Delta Inverter?
If your Delta Inverter is showing a 'HW NTC2 Fail' error, it may indicate that the ambient temperature is above 90 degrees or below -30 degrees. Check the installation ambient and environment. Another possible cause is a detection circuit malfunction, so check the detection circuit inside the inverter (RTB1).
What does 'HW NTC3 Fail' indicate on my Delta RPI-M15A Inverter?
A 'HW NTC3 Fail' error on your Delta Inverter may indicate that the ambient temperature is above 90 degrees or below -30 degrees. You should check the installation ambient and environment. It could also be due to a detection circuit malfunction, so check the detection circuit inside the inverter (RTG1).
What does 'HW CT B Fail' mean on my Delta RPI-M15A?
A 'HW CT B Fail' error on your Delta Inverter could be caused by a broken test current loop, so check the connection of WC3 to CNC16. It may also indicate that CSC2 is defective, so replace CSC2 with new one. Finally, a detection circuit malfunction could be the reason; in that case, check the detection circuit inside the inverter.
What to do if Delta RPI-M15A Inverter shows 'Solar1 Low' error?
If your Delta Inverter displays a 'Solar1 Low' error, first check the Solar1 voltage connection to the inverter terminal, as the actual Solar1 voltage may be under the limit. If the actual Solar1 voltage is close to "0", some devices inside the inverter may be damaged, so check all switching devices in boost1. Finally, a detection circuit malfunction could also be the cause; in that case, check the detection circuit inside the inverter.
General| Nominal AC Voltage | 400 V |
|---|---|
| Protection Degree | IP65 |
| Weight | 33 kg |
| MPPT Voltage Range | 200 V - 850 V |
| Rated AC Output Power | 15000 W |
| Max. AC Output Power | 16500 W |
| AC Voltage Range | 320 V - 480 V |
| Nominal Frequency | 50 Hz / 60 Hz |
| Operating Temperature Range | -25 °C ... +60 °C (Derating > 45 °C) |
| Frequency | 50/60 Hz |
| Operating Temperature | -25 °C ... +60 °C (Derating > 45 °C) |
| Max. DC Input Power | 15000 W |
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