Error Message: “One phase missing”

Reason for error message:

  • The Pacemakerâ„¢ HF has detected a missing phase.

 

Possible causes:

  • Supply voltage mains (all three phases) 400V
  • Check the small fuses on the bottom of Pacemaker HF
  • Check complete wiring, Are all clamps tightened?
  • Measuring voltage at the input terminals on the main board (see attached picture)
  • IC “OC14” or phase measurement is defective. Replace the IC, Type HCPL3700


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