Monthly Maintenance
This section describes routine maintenance items for an indoor unit. Record maintenance results in the table after a maintenance item is complete.
Item |
Operation |
Troubleshooting |
|---|---|---|
Air filter |
Check that the air filter is clean and not blocked. |
Clean the air filter. |
Check that the air filter is not damaged or distorted. |
Replace the air filter (It is recommended that an air filter should be replaced every 6 months). |
|
Indoor fan |
Check that the indoor fan guard is not distorted. |
Repair or replace the fan guard. |
Check that the indoor fan blades are intact. |
Replace the fan. |
|
Check that no foreign matter exists in the fan. |
Clear foreign matter. |
|
Check that the indoor fan generates no abnormal sound during operation, such as metal friction sound and harsh noises. |
Clear foreign matter and check that screws securing the fan are tightened. |
|
Check that the screws on the indoor fan are not loose or distorted. |
Tighten or replace the screws. |
|
Water pan |
Water pan is not blocked. |
Clean the water pan. |
Water pump |
Check that the water inlet filter of the water pump is cleaned. |
Clean the filter. |
Check that the low float is working properly. |
Check the cable connection and rectify the fault. |
|
Wet film humidifier |
Check that no operating overtime alarm is generated on the wet film humidifier. |
Replace the wet film humidifier (It is recommended that an air filter should be replaced every 12 months). |
Air damper |
Check that the air damper can be opened and closed properly. |
Rectify the fault. |