Operation and Maintenance
6. TROUBLESHOOTING
Phenomenon | Troubleshooting |
The unit can not operate. | • Has the power been shut down? |
| • Is the power plug loosed? |
| • Is voltage too high or too low? |
| (tested by professional) |
| • Has the TIMER ON function been well |
Breaking off | operated? |
Cooling(Heating) efficiency is not good. | . |
• Is temperature setting suitable? | |
| • Does inlet or outlet vents obstructed? |
| • Is filter dirty? |
| • Are the windows and doors closed? |
| • Did fan speed set at low speed? |
| • Is there any heat sources in the room? |
Remote control is not available. | • The unit is interfered by abnormal |
| interference or changing function too |
| frequently, wireless remote control can not |
| control occationally. Plug out power plug |
| and |
| operation. |
| • Is the control in the receiving area? Or is |
| there obstruction. |
| • Check if the voltage batteries in the control |
| is enough, if not, change batteries. |
If water leakage in indoor unit. | • The air humidity is on the high side. |
| • Condensing water over flowed. |
| • The indoor unit drainage pipe connection |
| loosed. |
If water leakage in outdoor unit. | • When the unit is running in COOL mode, |
| the connection of pipe and pipe joint will |
| be condensed due to the water cooled |
| down. |
| • When it is in "HEAT" or "Defrotsting", the |
| ice thawed and flowed out. |
| • When it is in HEAT, the water adhered on |
| heat exchanger dripped off. |
Noise from indoor unit emitted. | • Fan or compressor relay switching |
| (On/OFF) sound. |
| • When it is defrosting or stop running, will |
| sound. That is due to the refrigerant flowing |
| direction is opposite. |
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