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Rotenso · Split air conditioners · Rotenso Imoto wall-mounted inverter split

EL 0CRefrigerant leak detected

Name in the manufacturer's documentation (service manual): Refrigerant leak detected[1]

In plain words (editorial)

Refrigerant leak detected – the unit judges this from the evaporator coil temperature (T2) after the compressor starts. The manual names the T2 sensor, the indoor PCB or the refrigerant charge (the manual lists "additional refrigerant").

When to call a service technician: Contact an air-conditioning service technician.

✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.

The Polish page has more detail (plain-language explanation, safe checks, guides): Read in Polish →

Sources

Every statement has a footnote to the document and PDF page. “Quote verified” means the quote was found automatically in the text of that page.

  1. [1] Rotenso Imoto Series – IDU & ODU Units Service Manual (I21Xi, I26X, I35X, I50X, I70X), EN , p. 133 manufacturer document – copy from a distributor quote verified Refrigerant leak detected
  2. [2] Rotenso Imoto Series – IDU & ODU Units Service Manual (I21Xi, I26X, I35X, I50X, I70X), EN , p. 156 manufacturer document – copy from a distributor quote verified Define the evaporator coil temperature T2 of the compressor just starts running as Tcool. In the beginning 5 minutes after the compressor starts up, if T2 < Tcool-1°C(1.8°F) does not keep continuous 4 seconds and compres…
  3. [3] Rotenso Imoto Series – IDU & ODU Units Service Manual (I21Xi, I26X, I35X, I50X, I70X), EN , p. 156 manufacturer document – copy from a distributor quote verified T2 sensor
  4. [4] Rotenso Imoto Series – IDU & ODU Units Service Manual (I21Xi, I26X, I35X, I50X, I70X), EN , p. 156 manufacturer document – copy from a distributor quote verified Indoor PCB
  5. [5] Rotenso Imoto Series – IDU & ODU Units Service Manual (I21Xi, I26X, I35X, I50X, I70X), EN , p. 156 manufacturer document – copy from a distributor quote verified Additional refrigerant