What to do if my Delta RPI-M15A shows 'No Grid'?
If your Delta Inverter displays a 'No Grid' error, it could be due to the AC breaker being off. In this case, switch on the AC breaker. Alternatively, there might be a disconnection in the AC plug. Ensure the AC plug is correctly connected to the inverter.
What causes 'Ground Current' error on Delta RPI-M15A?
A 'Ground Current' error on a Delta Inverter may arise from several factors: a PV array insulation fault, so check the insulation of Solar inputs. It could also be due to large PV array capacitance between Plus to Ground or Minus to Ground, so check the capacitance (+ GND & - GND), and it must be less than 2.5uF. Install a external transformer if necessary. Additionally, either side of the boost driver or boost choke might malfunction, so check boost driver & boost choke. Finally, a detection circuit malfunction could be the cause; in that case, check the detection circuit inside the inverter.
What to do if my Delta Inverter shows 'HW Con. Fail'?
If your Delta Inverter displays 'HW Con. Fail', it may be due to a wrong connection in the AC plug. Check the AC connection, ensuring it accords to the manual. Alternatively, a detection circuit malfunction could be the cause, so check the detection circuit inside the inverter.
What to do if Delta Inverter displays 'HW FAN' error?
If your Delta Inverter is displaying a 'HW FAN' error, consider the following: 1. One or more fans might be locked; remove any object stuck in the fan(s). 2. One or more fans could be defective; replace the defective fan(s). 3. One or more fans might be disconnected; check the connections of all fans. 4. A detection circuit malfunction could be the cause; check the detection circuit inside the inverter.
What does 'SPD Fail' mean on my Delta RPI-M15A Inverter and how to fix it?
An 'SPD Fail' error on your Delta Inverter can indicate several issues: 1. The inverter was struck by lighting, check inverter’s status. 2. One or more SPDs are defective, replace the defective SPD. 3. One or more SPDs are disconnected, check the connections of SPDs. 4. A detection circuit malfunction, check the detection circuit inside the inverter.
What could cause a 'Temperature Low' error on my Delta RPI-M15A?
A 'Temperature Low' error on your Delta Inverter might be triggered if the ambient temperature is below -30 degrees. Check the installation ambient and environment. Additionally, a detection circuit malfunction could be the cause, so check the detection circuit inside the inverter (RTM1, RTB1, RTG1 and RTH1).
What does 'HW NTC1 Fail' mean on my Delta Inverter?
The 'HW NTC1 Fail' error on your Delta Inverter can be triggered if the ambient temperature is above 90 degrees or below -30 degrees. Check the installation ambient and environment. It may also indicate a detection circuit malfunction, so check the detection circuit inside the inverter (RTM1).
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 NTC4 Fail' mean on my Delta RPI-M15A Inverter?
A 'HW NTC4 Fail' error on your Delta Inverter could be due to the ambient temperature being above 90 degrees or below -30 degrees. Check the installation ambient and environment. It may also indicate a detection circuit malfunction, so check the detection circuit inside the inverter (RTH1).
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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