What to do if Chint Power Inverter shows CommErr error?
If the Chint Power Inverter displays a 'CommErr' message, it could be due to poor contact in the terminal block connectors of the internal communication wires. First, observe the inverter for 5 minutes to see if the alarm clears automatically. If not, switch off the 3-phase working power supply and reboot the system. If the issue persists, contact after-sales service personnel.
Why does my Chint Power SCH125KTL-DO/US-600 Inverter display ExtFanErr?
If your Chint Power Inverter shows an 'ExtFanErr' message, it could be due to a blocked fan, the fan's service life expiring, or poor contact in the fan socket connector. First, observe for 5 minutes to see if the alarm is eliminated automatically. Next, check the fan blades for any foreign objects. If the problem continues, switch off the 3-phase power supply and reboot the system. If none of these steps work, contact after-sales service personnel.
What to do if Chint Power SCH125KTL-DO/US-600 Inverter displays IntFanErr?
If your Chint Power Inverter displays a 'IntFanErr' message, first, observe for 5 minutes to see whether the alarm will be eliminated automatically. Then, check the fan blades for any foreign objects. If the problem persists, switch off the 3-phase work power supply and then reboot the system. If the issue still continues, contact after-sales service personnel.
What to do if Chint Power SCH125KTL-DO/US-600 Inverter displays Warn0030 (EepromErr)?
If the Chint Power Inverter displays 'Warn0030 (EepromErr)', first, observe for 5 minutes to see whether the alarm will be eliminated automatically. If the issue continues, contact after-sales service personnel.
How to troubleshoot Chint Power SCH125KTL-DO/US-600 when Power LED is off?
To troubleshoot a Chint Power Inverter when the Power LED does not light up: 1. Turn off the external AC breaker. 2. Switch the DC switch to the “OFF” position. 3. Check the PV input voltage and polarity.
What to do if GRID LED is blinking on Chint Power SCH125KTL-DO/US-600?
To troubleshoot a Chint Power Inverter when the GRID LED is blinking: 1. Turn off the external AC breaker. 2. Switch the DC switch to the “OFF” position. 3. Check whether the grid voltage is normal and whether the cable connection of AC side is correct and secure.
Explains the meaning of warning symbols used throughout the manual.
Lists the various safety and protection functions integrated into the inverter.
Provides essential recommendations and checks before proceeding with inverter installation.
Covers the physical aspects of installing the inverter, including dimensions, mounting methods, and space requirements.
Details the procedures for making all electrical connections for the inverter.
Step-by-step guide for commissioning the inverter via the wireless connection.
Detailed steps for establishing a wireless connection to the inverter for setup.
Explains how to interpret LED indicators and troubleshoot common issues.
Provides detailed guidance on identifying and resolving various fault conditions and errors.
General| Model | SCH125KTL-DO/US-600 |
|---|---|
| Type | String Inverter |
| Input Voltage Range | 200-1000 V |
| Max DC Input Current | 300 A |
| Number of MPPTs | 12 |
| Max. Input Current per MPPT | 25 A |
| Rated AC Output Power | 125 kW |
| Rated AC Voltage | 480 V |
| AC Voltage Range | 422-528 V |
| Rated Grid Frequency | 60 Hz |
| THDi | <3% |
| DC Switch | Yes |
| Operating Temperature Range | -25°C to +60°C |
| Protection Degree | IP65 |
| Cooling Method | Smart air cooling |
| Topology | Transformerless |
| Max DC Input Power | 150000 W |
| Max. AC Apparent Power | 137.5 kVA |
| AC Surge Protection | Type II |
| DC Surge Protection | Type II |
| Communication | RS485, Ethernet |
| Humidity Range | 0-100% |
| Power Factor | >0.99 (Adjustable ±0.9 leading to 0.9 lagging) |
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