Brand: SEALEY
Category: Air Conditioner
Document Type: Manual
Language: EN
Manual for SAC12000.V5
Uploaded: Nov. 21, 2025, 9:15 p.m.
Manual Publish Date: 2024-01-11
Warranty Information
Guarantee is 12 months from purchase date, proof of which is required for any claim.
Start-Up & Shutdown
Press POWER to turn the unit on (defaults to FAN mode). Press MODE to select desired operation mode. Press POWER again to turn off.
Operation Modes
Choose from: Cool, Dehumidify, Fan, Heat, Sleep.
- Cooling: Set temperature (16-32°C) and fan speed. Air conditioner stops if room temp is lower than selected temp.
- Heating: Set temperature and fan speed.
- Ventilating: Circulates air, not cooled. Select fan speed.
- Drying/Dehumidifying: Use drainage hose for continuous operation. Fan speed is low, temperature cannot be selected.
- Sleep Mode: Activates in Cool or Heat mode. Temperature adjusts gradually over 10 hours. Indicators dim, fan speed switches to low for silent operation.
Timer Settings
Set to turn OFF (when power on) or ON (when power off) with delay time. Cancel timer by pressing UP/DOWN until '00' is shown or pressing POWER.
Troubleshooting and error codes
| SYMPTOM | INSPECTION | SOLUTION |
| The unit is not working | Check the mains supply | Insert the power cord securely into the wall outlet |
|---|---|---|
| Check if the water level indicator lights up? | Empty the drain pan. See Section 5.10 | |
| The unit works with reduced capacity | Check the room temperature. | The range of operating temperature is 5-35°C |
| Check if the air duct is blocked | Clear the obstacle. | |
| Check the air filter for dirt | Clean the air filter. See Section 7 | |
| Check if the room door or window is open. | Keep the door and windows closed. | |
| Check if the desired operating mode is selected and temperature is properly set. | Set the mode and temperature at proper set-point See Section 5 | |
| Water Leakage | The exhaust hose is detached. | Make sure the exhaust hose is securely attached. |
| Overflow while moving the unit. | Empty the water tank before transport. | |
| Check if the drain hose is kinked or bent. | Straighten the hose to avoid a trap existing. | |
| Excessive Noise | Check if the unit is securely positioned. | Place the unit on horizontal and firm ground. |
| Check if any loose, vibrating parts. | Secure and tighten the parts. | |
| Noise sounds like water flowing. | Noise comes from flowing refrigerant. This is normal. | |
| Error Codes | E0 | Communication faults between main PCB and display PСВ. Check the wire harness of the display PCB for damage. |
| E1 | Ambient temperature sensor failure. Check connection or replace it. To clean or replace the temperature sensor. | |
| E2 | Coil temperature sensor failures. Check connection or replace it. To clean or replace the temperature sensor. | |
| Ft | Condensate water high level alarm. Empty the drain pan. See Section 5.10 |