E031 Error? This comprehensive repair kit includes 4 high-quality relays and 4 MOSFETs designed specifically for Aurora, ABB, and Fimer inverters. Compatible with 3kW, 3.6kW, and 4.2kW models, it ensures reliable performance and resolves common inverter errors efficiently. Ideal for both DIY enthusiasts and professional technicians, this kit helps maintain optimal system operation and extends the life of your inverter.
If after replacing 4 relays it gives error e031. You need to replace 4 mosfets smd NDS351AN (See photo number 3)
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