6INDICATOR LIGHTSRemote ControlWhen there is infrared remote control operating signal, the signal receiver on indoor unit will made a for signalacceptance confirmation.OVERALL CHECKING• Ensure the following, in particular:-1. The unit is mounted solidly and rigid in position.2. Piping and connections are leak proof.3. Proper wiring has been done.• Drainage check:– Pour some water into left side of drain pan(drainage is at the right side of the unit).• Test Run:1. Conduct a test run after water drainage test and gas leakagetest.2. Watch out for the following:a) Is the electric plug firmly inserted into the socket?b) Is there any abnormal sound from unit?c) Is there any abnormal vibration on the unit itself or piping?d) Is the drainage of water smooth?Note:• The installation guide above covers only the fan coil unit.For installation of outdoor (mini chiller etc) please referto the installation guide for such unit.• The installation of fan coil unit may vary accordingly tothe type of outdoor unit.• Installation must be done by qualified personnel who arefamiliar with this type of product.SERVICE AND MAINTENANCEService Parts Maintenance Procedures PeriodTROUBLESHOOTINGCauses / Action- Protection against frequent starting. Wait for 3 to 4 minutes forthe compressor to start operating.- Power failure, or the fuse need to be replaced.- The power plug is disconnected.- It is possible that your delay timer has been set incorrectly.- If the fault persist after all these verifications, pleasecontact the air conditioner unit installer.- The air filter is dirty.- The doors or windows are open.- The air suction and discharge are clogged.- The regulated temperature is not high enough.- Odours may be caused by cigarettes, smoke particles, perfumeetc. which might have adhered onto the coil.- This is caused by air humidity after an extended long period ofoperation.- The set temperature is too low, increase the temperature settingand operate the unit at high fan speed.- Switch off unit and call dealer.Fault1. The compressor does not operate 3 minutes after theair conditioner unit is started.2. The air conditioner unit does not operate.3. The air flow is too low.4. Discharge air flow has bad odor.5. Condensation on the front air grille of the indoor unit.6. Water flowing out from the air conditioner unit.• In the event that there is any conflict in the interpretation of this manual and any translation of the same in any languages, theEnglish version of this manual shall prevail• The manufacturer reserves right to revise any of the specification and design contain herein at any time without prior notificationError Description Cool LED Error IndicationRoom sensor error 1 blink E1Pipe water sensor error 2 blinks E2Water pump error 6 blinks E6Pipe water temperature fault 5 blinks E5*Window open activated 3 blinks -*Antifreeze mode activated 7 blinks -*Load shedding activated 8 blinks -*Only applicable for 4-pipe systemIndoor unitIndoor air filter At least once every2 weeks.More frequently ifnecessary.At least once every2 weeks.More frequently ifnecessary.1. Remove any dust adhering to the filter by using a vacuum cleaner or wash inlukewarm water (below 40°C/104°F) with a neutral cleaning detergent.2. Rinse the filter well and dry before placing it back onto the unit.3. Do not use gasoline, volatile substances or chemicals to clean the filter.1. Clean any dirt or dust on the grille or panel by wiping it with a soft cloth soaked inlukewarm water (below 40°C/104°F) and a neutral detergent solution.2. Do not use gasoline, volatile substances or chemicals to clean the indoor unit.If the fault persists, please call your local dealer / serviceman.
