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Fault code 500: SPD or Fuse alarm
Updated over a week ago

These faults apply to the following sungrow products:

  • SH3.0RS/SH3.6RS/SH4.0RS/SH5.0RS/SH6.0RS

  • SH5.0RT/SH6.0RT/SH8.0RT/SH10RT

  • SH5T/6T/8T/10T/12T/15T/20T/25T

In the event of Fault Code 716 being informed through the App, the following corrective measures shall be taken:

Code 500 (Fuse alarm)

Fault name

Fuse Alarm (fault code: 500)

Fault type

Alarm

Fault condition

Lightning protection circuit or fuse is damaged, and battery can not charge.

Steps and methods of troubleshooting

1. Check whether the Fuse in the inverter is disconnected and whether the lightning protector is damaged.

2. Manually disconnect the battery to avoid internal damage.
3. If the fault is not caused by the foregoing reasons and still exists, please contact Sungrow Service.

keywords: surge protection device, lightning protection warning, fuse, battery fuse, code 500.


For further information, please download the user manual here.

This manual is intended for professional technicians who are responsible for installation, operation, maintenance and troubleshooting of inverters, and users who need to check inverter parameters. The inverter must only be installed by professional technicians.

The professional technician is required to meet the following requirements:

  • Know electronic, electrical wiring and mechanical expertise, and be familiar with electrical and mechanical schematics.

  • Have received professional training related to the installation, commissioning and troubleshooting of electrical equipment.

  • Be able to quickly respond to hazards or emergencies that occur during installation, commissioning and troubleshooting.

  • Be familiar with local standards and relevant safety regulations of electrical systems.

  • Read this manual thoroughly and understand the safety instructions related to operations.

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