McQuay MCK030A Manual de instalación descargar pdf (Pagina 52)

Page 51

When any malfunction of the conditioner unit is noted, immediately switch off the power supply to the unit. Check the

following fault conditions and causes for some simple trouble shooting tips.

Troubleshooting

FAULT POSSIBLE CAUSES

1. The compressor does not start operation after 3

minutes from starting the air conditioner unit.

ó Protection against frequent starting. Wait for 3 to 4

minutes for the compressor to start operate.

2. The air conditioner unit does not operate.

ó Power failure or the fuse need to be replaced.

ó The power plug is disconnected.

ó It is possible that your delay timer has been set

incorrectly.

ó If the fault persist after all these veriﬁ cations, please

contact the air conditioner unit installer.

3. The airﬂ ow is too low. · The air ﬁ lter is dirty.

ó The doors or windows are open.

ó The air suction and discharge are clogged.

ó The regulated temperature is not high enough.

4. The remote control display is dim. · Battery ﬂ at.

ó The batteries are place incorrectly.

5. Discharge airﬂ ow has bad odor.

ó Odors may be cause by cigarettes, smoke particles,

perfume etc. Which might have adhered onto the coil.

6. Condensation on the front air grille of the indoor

unit.

ó This is caused by air humidity after an extended long

period of operation.

ó The set temperature is too low, increase the temperature

setting and operate the unit at high fan speed.

7. Water ﬂ owing out from the air conditioner unit.

ó Check the condensate evacuation

8. Hissing air v sound from the air conditioner unit

during operation.

ó Refrigerant ﬂ uid ﬂ owing into the evaporator coil.

If the fault persists, please call your local dealer / serviceman.

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McQuay MCK030A Manual de instalación Pagina 52