Brand: PIONEER
Category: Air Conditioner
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for WYT
Uploaded: Nov. 21, 2025, 8:53 p.m.
Warranty Information
Refer to the warranty card for specific details.
Remote Controller Functions:
- ON/OFF: Turns the unit on and off.
- ECO: Adjusts temperature by 2°C in cooling (increases) or heating (decreases) mode.
- MODE: Selects operation mode (Cooling, Dry, Fan, Heating).
- FAN SPEED: Adjusts fan speed (Auto, Low, Mid, High).
- SWING: Controls the movement of air deflectors.
- HEALTH: Activates/deactivates ionizer or plasma generator (for inverter types).
- TURBO: Maximum cooling (16°C) or heating (31°C) output.
- DISPLAY: Turns the LED display on/off.
- SLEEP: Activates sleep mode.
- TIMER: Sets automatic on/off timer.
- TEMP UP/DOWN: Increases/decreases temperature or time by 1 unit.
Note: Remote controller needs to be set for Cooling Only or Heat Pump operation.
Troubleshooting and error codes
| Failure Type | LED Code | Digital LED Code |
|---|---|---|
| Indoor and outdoor communication fault | RUN、TIMER-both winking | E0 |
| Outdoor communication failure | RUN、TIMER-both winking | EC |
| Indoor room temperature sensor (IRT) fault | RUN-1 time/8s | E1 |
| Indoor coil temperature sensor (IPT) fault | RUN-2 times/8s | E2 |
| Outdoor coil temperature sensor (OPT) | RUN-3 times/8s | E3 |
| System abnormity | RUN-4 times/8s | E4 |
| Model configuration wrong | RUN-5 times/8s | E5 |
| Indoor fan motor fault | RUN-6 times/8s | E6 |
| Outdoor temperature sensor | RUN-7 times/8s | E7 |
| Exhaust temp. sensor | RUN-8 times/8s | E8 |
| IPM drive and module fault | RUN-9 times/8s | E9 |
| Outdoor fan motor fault (DC motor) | RUN-10 times/8s | EF |
| Current sensor fault | RUN-11 times/8s | EA |
| EEPROM fault | RUN-12 times/8s | EE |
| Temp. switch fault (on top of the compressor) | RUN-13 times/8s | EP |
| Voltage sensor fault | RUN-14 times/8s | EU |
| Air filter duty | CL |