Insulation monitoring device detected insulation error

Was bedeutet 3504 ?

The insulation monitoring device has detected an insulation error. If parameter IsoErrIgn is set to 'On', this error is ignored. This indicates a potential safety risk due to compromised insulation in the PV array.

• Ground fault in the PV array.
• Degraded insulation in PV modules or wiring.

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1. 1

   Check the PV array for ground faults using an insulation resistance tester.