Fuji Electric FRENIC-Mini Error DH-1: PTC thermistor for motor protection

FRENIC-Mini inverter · taken from the manufacturer’s manual, pages cited

Error codeDH-1

PTC thermistor for motor protection The manual's first action is: “p.6-13”

Model
Fuji Electric FRENIC-Mini
Display shows
PTC thermistor for motor protection (DH-1)
Type
Error code
Source
Manual p. 133

What DH-1 means

PTC thermistor for motor protection p. 133

Common causes

  • PTC thermistor for motor protection p. 133

What to do

  1. p.6-13 p. 133

Before you service the product, read the safety instructions in the manual p. 4.

If DH-1 is still not resolved

  • Contact service / dealer p. 4
    “ii„ Safety precautions Read this manual thoroughly before proceeding with installation, connections (wiring), operation, or maintenance and inspection.”
  • Contact service / dealer p. 29
    “CAUTION: When wiring the inverter to the power supply of 500 kVA or more (50 kVA or more for the single-phase 115 V class series of inverters), be sure to connect an optional DC reactor (DCR).”

This page summarises what the manufacturer’s manual says about DH-1; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Fuji Electric. Found a mistake? Report an error.