AC MGA0800/A1 Manuale d'uso - Pagina 15

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1. Cooling

External fan can't

run

Fan makes

abnormal noise

Heater can't run

Maintenance

Maintaining air conditioner very closely can keep it having a good performance and normal life, the

following works should be done:

No.

Check whether there are alarm information or not

Check whether fans can rotate normally or not

Check whether compressor can rotate normally or not

Check whether there is obvious noise or shake or not

Clean the inner and outer circulation air inlet and outlet of the air

conditioner

Clean heat exchangers

Check whether air conditioner power supply wire and communication wire

is Ok or not

External fan is fault

The operating condition has not

been satisfied

External fan line has not been

connected correctly

External fan is stuck

Fan blades are damaged or the

bearing of fan wears

The blades of fan scratch other

objects

The heater is fault

The heater lines has not been

connected correctly

The operating condition has not

been satisfied

Check/Maintain

Change the external fan

Check if the operating condition is satisfied

Check the external fan line，and connect it again

Check if there are block to stick the fan, and clear

the block

Change the damaged fan

Check and fix it again

Change the heater

Check the external fan line，and connect it again

Check if the operating condition is satisfied

Cycle

6 months

1year