Rotenso · Split air conditioners · Rotenso Imoto wall-mounted inverter split
EC 52Condenser coil temperature sensor T3 open or short circuited
Name in the manufacturer's documentation (service manual): Condenser coil temperature sensor T3 open or short circuited
[1]
In plain words (editorial)
The outdoor condenser coil temperature sensor (T3) is open or short-circuited. The manual names the connection wires, the sensor or the PCB.
When to call a service technician: Contact an air-conditioning service technician.
✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.
For technicians
Detection conditions (source text)
- If the sampling voltage is lower than 0.06V or higher than 4.94V, the LED displays the failure code.[2]
⚠ Work on refrigerant circuits, mains electricity and PV DC wiring is for qualified technicians only.
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] Rotenso Imoto Series – IDU & ODU Units Service Manual (I21Xi, I26X, I35X, I50X, I70X), EN , p. 133 manufacturer document – copy from a distributor quote verified
Condenser coil temperature sensor T3 is in open circuit or has short
- [2] Rotenso Imoto Series – IDU & ODU Units Service Manual (I21Xi, I26X, I35X, I50X, I70X), EN , p. 154 manufacturer document – copy from a distributor quote verified
If the sampling voltage is lower than 0.06V or higher than 4.94V, the LED displays the failure code.
- [3] Rotenso Imoto Series – IDU & ODU Units Service Manual (I21Xi, I26X, I35X, I50X, I70X), EN , p. 154 manufacturer document – copy from a distributor quote verified
Connection wires
- [4] Rotenso Imoto Series – IDU & ODU Units Service Manual (I21Xi, I26X, I35X, I50X, I70X), EN , p. 154 manufacturer document – copy from a distributor quote verified
Sensors
- [5] Rotenso Imoto Series – IDU & ODU Units Service Manual (I21Xi, I26X, I35X, I50X, I70X), EN , p. 154 manufacturer document – copy from a distributor quote verified