Mitsubishi FREQROL-2120 Error ETHM

Inverter · taken from the manufacturer’s manual, pages cited

Alarm codeETHM

Electronic thermal relay in the inverter was activated because current is below 150% of preset current. The manual lists no action for this code.

Model
Mitsubishi FREQROL-2120
Display shows
ETHM
Type
Alarm code
Source
Manual p. 61

What ETHM means

Electronic thermal relay in the inverter was activated (current is below 150% of preset current). p. 61

Common causes

  • Electronic thermal relay in the inverter was activated (current is below 150% of preset current). p. 61

If ETHM is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact Mitsubishi service.

This page summarises what the manufacturer’s manual says about ETHM; 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 Mitsubishi. Found a mistake? Report an error.