SOLPLUS

Von Erik Zaikin
2 Min. Lesezeit

Monitoring the Inverter - Fault Guide

Fault No. 10 - Overcurrent in Hardware

  • Explanation: Hardware overcurrent detection.
  • Cause: N/A
  • Remedial Action: Please contact our Service department.

Fault No. 11 - Auxiliary Power Supply Operation

  • Explanation: Power supply of control electronics has failed.
  • Cause: N/A
  • Remedial Action: Please contact our Service department.

Fault No. 16 - Overtemperature

  • Explanation: The inverter is too hot.
  • Cause: Poor dissipation of the heat generated by the inverter.
  • Remedial Action: Check whether the flow of air around the heat sinks of the inverter is impeded/blocked.

Fault No. 24 - Internal, AFI Defective

  • Explanation: The RCCBs built into the inverter.
  • Cause: Hardware defect.
  • Remedial Action: Please contact our Service department.

Fault No. 26, 35, 37 - Fault, Internal Grid Monitoring

  • Explanation: Internal communication fault.
  • Cause: Hardware defect.
  • Remedial Action: Please contact our Service department.

Fault No. 27 - Auxiliary Power Supply Stdb

  • Explanation: Too little insolation to enable the electronics to function.
  • Cause: N/A
  • Remedial Action: Wait until the level of insolation is high enough.

Fault No. 28 - Fault, ENS/MSD Data CP

  • Explanation: Plausibility check on the measured values.
  • Cause: N/A
  • Remedial Action: Please contact our Service department.

Fault No. 32 - Fault, DC Symmetry

  • Explanation: Symmetry error of the electrolytic capacitor of the intermediate DC link.
  • Cause: Defective capacitor.
  • Remedial Action: Please contact our Service department.

Fault No. 33, 34 - Offset Error in Standby/Operation

  • Explanation: Offset current or voltage measurement in standby/during operation outside permissible range.
  • Cause: N/A
  • Remedial Action: Please contact our Service department.

Fault No. 38 - Fault, Relay Defective

  • Explanation: Grid isolating relay defective.
  • Cause: Hardware defect.
  • Remedial Action: Please contact our Service department.

Fault No. 40 - Fault, RAM-Check NOK

  • Explanation: RAM check on startup is not okay.
  • Cause: N/A
  • Remedial Action: Switch the inverter off and on again.

Fault No. 41 - Fault, MPP Controller

  • Explanation: Too low an output at too high a DC voltage.
  • Cause: Hardware defect.
  • Remedial Action: Please contact our Service department.

Fault No. 42 - Fault, External

  • Explanation: External fault.
  • Cause: A fault from an external source has been reported via the inputs of the inverter.
  • Remedial Action: Test the external source for faults.

Models: 25 25 50 55