SOFAR 15~24KTLX-G3 User manual
Copyright © Shenzhen SOFARSOLAR Co., Ltd.
Note: the above table is our general fault ID list, all fault IDs of this inverter can be
found in the above table;
This inverter complies with IEC 62109-2 clause 13.9 for earth fault alarm
monitoring.
If an Earth Fault Alarm occurs, the inverter will initiate the fault will be displayed on
the LCD screen (PVIsoFault), the red alarm light will be on, and a buzzing noise will
come from the inverter. The fault can be found in the event list (fault code history).
For the machine installed with WiFi/GPRS, the alarm information can be seen on
the corresponding monitoring website, and can also be received by the APP on the
mobile phone.
8.2. Maintenance
Inverters generally do not need any daily or routine maintenance. But ensure
heat sink should not be blocked by dust, dirt or any other items. Before the
cleaning, make sure that the DC SWITCH is turned OFF and the circuit breaker
between inverter and electrical grid is turned OFF. Wait at least for 5 minutes
before the Cleaning.
Inverter cleaning
Please clean the inverter with an air blower, a dry & soft cloth or a soft bristle
brush. Do NOT clean the inverter with water, corrosive chemicals, detergent, etc.
Heat sink cleaning
For the long-term proper operation of inverters, ensure there is enough space
around the heat sink for ventilation, check the heat sink for blockage (dust, snow,
etc.) and clean them if they exist. Please clean the heat sink with an air blower, a
dry & soft cloth or a soft bristle brush. Do NOT clean the heat sink with water,
corrosive chemicals, detergent, etc.
Fan cleaning
For inverter SOFAR 15~24KTLX-G3 with fans, please check if inverter have
abnormal sound when inverter is operating. Check if fan on cracks, replace a new
fan when necessary. Refers to below section.
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