background image

Page 12 

Troubleshooting

Problem

Possible Causes

Solution

Poor cooling 
performance 

Temperature setting may be higher 

than the ambient room temperature  Lower the temperature setting
The heat exchanger on the indoor 

or outdoor unit is dirty 

Clean the affected heat exchanger

The air filter is dirty

Remove the filter and clean it according 

to instructions

The air inlet or outlet of either unit 

is blocked

Turn the unit off, remove the obstruction 

and turn it back on 

Doors and windows are open

Make sure that all doors and windows are 

closed while operating the unit 

Excessive heat is generated by 

sunlight

Close windows and curtains during 

periods of high heat or bright sunshine 

Low refrigerant due to leak or 

long-term use

Check for leaks, re-seal if necessary and 

top off refrigerant 

The unit 
starts and 
stops 
frequently 

There’s too much or too little 

refrigerant in the system  

Check for leaks and recharge the system 

with refrigerant  

There is air, incompressible gas or 

foreign material in the refrigeration 

system.  

Evacuate and recharge the system with 

refrigerant

System circuit is blocked

Determine which circuit is blocked and replace 

the malfunctioning piece of equipment 

The compressor is broken

Replace the compressor

The voltage is too high or too low

Install a manostat to regulate the voltage

Poor heating 
performance 

The outdoor temperature is lower 

than 7°C (44.5°F) 

Check for leaks and recharge the system 

with refrigerant 

Cold air is entering through doors 

and windows

Make sure that all doors and windows are 

closed during use  

Low refrigerant due to leak or 

long-term use

Check for leaks, re-seal if necessary and 

top off refrigerant 

Содержание BM36M23C-12H-12H-12H

Страница 1: ...IMPORTANT NOTE Read this manual carefully before installing or operating your new air conditioning unit Make sure to save this manual for future reference Owner s Manual Low wall air handler...

Страница 2: ...Indoor Unit Parts and Major Functions 05 Manual Operations 07 Table of Contents Owner s Manual SAFETY FIRST Safety Precautions 04 1 2 3...

Страница 3: ...ce 08 Unit Maintenance 08 How to Clean the Air Filter 08 Repairing Refrigerant Leaks 09 Preparation for Periods of Non use 09 Troubleshooting 10 Common Problems 10 Troubleshooting Tips 11 European Dis...

Страница 4: ...may result in death The appliance must be installed in accordance with national regulations Failure to observe a caution may result in injury or equipment damage WARNING CAUTION DO NOT place items tha...

Страница 5: ...0 F Outdoor Temperature 0 C 50 C 32 F 122 F 15 C 24 C 5 F 76 F 0 C 50 C 32 F 122 F 18 C 54 C For special tropical models 0 C 60 C For special tropical models 15 C 50 C 5 F 122 F For models with low te...

Страница 6: ...in the room DO NOT place objects near the air inlet and outlet of the unit Set a timer and use the built in SLEEP ECONOMY mode if applicable If you don t plan to use the unit for a long time remove th...

Страница 7: ...unit turns off and the remote control is re enabled Infrared receiver Timer indicator PRE DEF pre heating defrost indicator Operation indicator Adjusting Air Flow Direction CAUTIONS Do not try to adju...

Страница 8: ...r or other solvents to clean the unit They can cause the plastic surface to crack or deform DO NOT wash the unit under running water Doing so creates an electrical hazard DO NOT use water hotter than...

Страница 9: ...after Extended Non Use 1 Remove any obstacles blocking the vents of both the indoor and outdoor units 2 Clean the air filter and the front grille of the indoor unit Reinstall the clean dry air filter...

Страница 10: ...Pre heating Defrost indicators are lit up the outdoor temperature is too cold and the unit s anti cold wind is activated in order to defrost the unit In Cooling only Models If the Fan Only indicator...

Страница 11: ...itted from either the indoor or outdoor unit The unit may accumulate dust during extended periods of non use which will be emitted when the unit is turned on This can be mitigated by covering the unit...

Страница 12: ...Check for leaks re seal if necessary and top off refrigerant The unit starts and stops frequently There s too much or too little refrigerant in the system Check for leaks and recharge the system with...

Страница 13: ...9 Off E8 9 Other twin model malfunction 10 Off E9 10 Overload protection 1 On F0 11 Outdoor temperature sensor error 2 On F 1 12 Outdoor condenser pipe sensor error 3 On F2 13 Discharge air temperatur...

Страница 14: ...al waste When disposing of this appliance you have the following options Dispose of the appliance at designated municipal electronic waste collection facility When buying a new appliance the retailer...

Страница 15: ......

Страница 16: ...QSCONSOLE 001U 16122600000003 20171107 The design and specifications are subject to change without prior notice for product improvement Consult with the sales agency or manufacturer for details...

Страница 17: ...1 80g E 2 210 297mm 3 4 5...

Отзывы: