Trouble Shooting
When any air-conditioner malfunction is noted, immediately switch off the power supply to the unit, and
contact the local dealer, if necessary. Some simple troubleshooting tips are given below :
FAULT CAUSE
1. Fan does not work 3 minutes after
starting
•
Protection against the frequent starting. Wait 3 or 4 minutes.
2. The air conditioning unit does not
work
•
•
•
•
Power failure or you must be replaced the fuse.
The power plug is disconnected.
Possibility of making a programming error in the controller.
If the fault persist after these verifications, contact your installer.
3. The air conditioning unit does not
blow sufficiently
•
•
•
•
The air filter is dirty.
The doors or windows are open.
The air entrance and exit are clogged.
The regulate temperature is not high enough.
4. The remote control light is deficient
•
•
•
The batteries are discharge.
The batteries are not correctly inserted.
The assembly is not good.
5. Air discharge flow has a bad odor
•
•
•
This odor can be caused by cigarette smoke particles, perfume,
sweat, which stick to the coil.
Check if there is any moisture on the walls, garment, other.
Check the drain pan.
6. Condensation on the air grille of
indoor unit
•
•
This is due to air humidity after a long time of operation.
The unit has a lower temperature point, increase the point and
operate at high speed.
7. The water flow of air conditioning
unit
•
Check the condensate evacuation.
8. The air conditioning unit is noisy
•
“Air flow noise” : refrigerant fluid admission in evaporator.
Page 81
Содержание MCM 020 D
Страница 21: ...Refrigerant Circuit MODEL MCM020D MLC M4LC020B MODEL MCM025D MLC M4LC025B MCM030D M4LC030B Page 20...
Страница 23: ...MODEL MCM020DR MLC M4LC020BR MODEL MCM025DR MLC M4LC025BR MCM030DR MLC030BR Page 22...
Страница 41: ...MODEL MLC M4LC061 C CR Page 40...
Страница 42: ...Wiring Diagrams COOLING ONLY INDOOR UNIT MODEL MCM020 025D OUTDOOR UNIT MODEL MLC M4LC020 025B Page 41...
Страница 43: ...INDOOR UNIT MODEL MCM030D OUTDOOR UNIT MODEL MLC030B Page 42...
Страница 44: ...INDOOR UNIT MODEL MCM030D OUTDOOR UNIT MODEL MLC M4LC030C Page 43...
Страница 45: ...INDOOR UNIT MODEL MCM040D OUTDOOR UNIT MODEL MLC035C Page 44...
Страница 46: ...INDOOR UNIT MODEL MCM040 050D OUTDOOR UNIT MODEL MLC M4LC040 050C Page 45...
Страница 47: ...INDOOR UNIT MODEL MCM061 062C OUTDOOR UNIT MODEL M4LC060C Page 46...
Страница 48: ...INDOOR UNIT MODEL MCM061 062C OUTDOOR UNIT MODEL MLC M4LC061C Page 47...
Страница 49: ...HEAT PUMP INDOOR UNIT MODEL MCM020 025DR OUTDOOR UNIT MODEL MLC M4LC020 025BR Page 48...
Страница 50: ...INDOOR UNIT MODEL MCM030DR OUTDOOR UNIT MODEL MLC030BR Page 49...
Страница 51: ...INDOOR UNIT MODEL MCM030DR OUTDOOR UNIT MODEL MLC M4LC030CR Page 50...
Страница 52: ...INDOOR UNIT MODEL MCM040DR OUTDOOR UNIT MODEL MLC035CR Page 51...
Страница 53: ...INDOOR UNIT MODEL MCM040 050DR OUTDOOR UNIT MODEL MLC M4LC040 050CR Page 52...
Страница 54: ...INDOOR UNIT MODEL MCM061 062CR OUTDOOR UNIT MODEL MLC M4LC061CR Page 53...
Страница 55: ...INDOOR UNIT MODEL MCM061 062CR OUTDOOR UNIT MODEL MLC M4LC060CR Page 54...
Страница 61: ...LOW AMBIENT UNIT OPTIONAL OUTDOOR UNIT MODEL MLC010B 015B 50HZ OUTDOOR UNIT MODEL MLC020B 025B 50HZ Page 60...
Страница 63: ...SINGLE PHASE FOR 4HP OUDOOT UNIT MODEL MLC M4LC040C COOLING ONLY MODEL MLC M4LC040CR HEATPUMP Page 62...
Страница 68: ...MCM061 062C Figure C Provide the installation space as shown in Figure D MCM D MCM061 062C Figure D Page 67...
Страница 94: ...2004 McQuay International 1 800 432 1342 www mcquay com ISO 9002 REGISTERED...