Brand: SEALEY
Category: Air Conditioner
Document Type: Manual
Language: EN
Manual for SAC12000.V4
Uploaded: Nov. 21, 2025, 8:13 p.m.
Manual Publish Date: 2022-06-16
Warranty Information
Guarantee is 12 months from purchase date, proof of which is required for any claim.
Unit Operation Summary:
- Power: Turns the unit ON/OFF.
- Mode: Cycles through Cooling, Dehumidifying, Ventilating, Heating, and Sleep modes.
- Temperature Adjustment: Use UP/DOWN arrows to set desired temperature for Cooling and Heating modes.
- Fan Speed: Select HIGH, MIDDLE, or LOW fan speed.
- Swing: Adjusts airflow direction.
- Sleep Mode: Modifies temperature settings gradually over 10 hours for comfort.
- Timer: Set the unit to turn ON or OFF automatically in 1-hour increments (1-24 hours).
- Automatic Defrost: Unit automatically defrosts evaporator at low temperatures.
- Drainage: Two methods - continuous or manual. Ensure proper setup to prevent overflow.
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. | |
| Check if the unit is securely positioned. | Place the unit on horizontal and firm ground. | |
| Excessive Noise | 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 PCB. | 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 |