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innovair QUANTUM User Manual Download Page 24

22

6. TROUBLE SHOOTING

INNOVAIR DC INVVERTER QUANTUM

SERVICE MANUAL

w w w . i n n o v a i r . c o m

7 

★

 

Ο

 

★

 

×

 

Communication 

failure between 

the indoor unit 

and outdoor 

unit 

 

a. the communication cable 

connection is loose;                                     

b. the communication cable fails;  

c. the connection between the filter 

board and the outdoor control board 

is incorrect or loose; 

d. the connection between the filter 

board and the terminal is incorrect or 

loose;                               e. the indoor 

control board fails; 

f. the PFC board fails; 

g. the power board fails;                                     

h. the outdoor control board fails. 

8 

 

★

 

Ο

 

★

 

★

 

Current 

overload 

protection 

 

a. the fan motor runs abnormally;              

b. the condenser and evaporator are 

dirty;      

c. the air inlet and outlet is abnormal 

9 

×

 

×

 

Ο

 

×

 

Maximum 

current 

protection 

 

a. the outdoor control board has short 

circuit; 

b. the drive board has short circuit; 

c. the other components have short 

circuit 

10 

×

 

×

 

Ο

 

★

 

Communication 

trouble 

between 

outdoor unit 

and driver 

 

a. the connection wires connect loose  

b. the outdoor board or drive board 

fails;        

11 

×

 

★

 

Ο

 

×

 

Outdoor 

EEPROM in 

trouble 

 

a. the EEPROM chip is loose; 

b. the EEPROM chip inserted with 

opposite direction; 

c. the EEPROM chip fails 

12 

×

 

★

 

Ο

 

★

 

Outdoor 

ambient 

temperature 

too low 

protection 

 

Outdoor ambient temperature too low 

 

Summary of Contents for QUANTUM

Page 1: ...nician familiar with safety procedures and equipped with the proper tools and test instruments Installation or repairs made by unqualified persons can result in hazards to you and others Failure to carefully read and follow all instructions in this manual can result in equipment malfunction property damage personal injury and or death This service is only for service engineer to use ...

Page 2: ... Instructions Safety Precautions Maintenance Preparation before use Identification of parts Display Introductions Protection Installation instructions Troubleshooting 1 2 3 4 5 6 7 8 16 Remote controller operating instructions See remote controller instructions ...

Page 3: ... the connecting pipe between the indoor unit and outdoor unit should be less than 5 meters It will affect the efficiency of the air conditioner if the distance longer than that length This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instructi...

Page 4: ... w w i n n o v a i r c o m 2 Be sure not to do ºPay attention to such a situation Safety precautions Grounding is essential Warning Incorrect handling could cause a serious hazard Symbols in this Use and Care Manual are interpreted as shown below ...

Page 5: ...appliance Reinstall and shut the front panel Reinstall and shut the front panel by pressing position b downward 1 2 1 3 2 3 4 5 6 Stop the appliance cut off the power supply and remove the air filter Clean and reinstall the air filter 1 0pen the front panel 2 Press the handle of the filter gently 3 Grasp the handle and slide out the filter Close the front panel again II Clean the air filter every ...

Page 6: ...afe recycling When charging refrigerant into the system make sure to charge in liquid state if the refrigerant of the appliance is R41 QA Otherwise chemical composition of refrigerant R41 0A inside the system may change and thus affect performance of the air conditioner According to the character of refrigerant R410A the value of GWP is 2088 the pressure of the tube is very high so be sure to be c...

Page 7: ...Indoor unit Outdoor unit INNOVAIR DC INVERTER QUANTUM SERVICE MANUAL 5 ...

Page 8: ...emperature indicator Display set temperature It shows FC after 200 hours of usage as reminder to clean the filter After filter cleaning press the filter reset button located on the indoor unit behind the front panel in order to reset the display optional Running indicator It lights up when the AC is running It flashes during defrosting Timer indicator It lights up during set time Sleep indicator I...

Page 9: ...l the outdoor unit at a place where the air discharged and the operation noise would not annoy your neighbors Do not place any obstacles in front of the air outlet of the outdoor unit lest it increases the noise level Features of protector 1 The protective device will work at following cases Restarting the unit at once after operation stops or changing mode during operation you need to wait for 3 ...

Page 10: ...50mm Distance from floor should be over 2500mm Air intake distance from the wall should be over 250mm Above figure is only a simple presentation of the unit it may not match the external appearance of the unit you purchased Installation must be performed in accordance with the national wiring standards by authorized personnel only INNOVAIR DC INVER RTER QUANTUM SERVICE MANUAL w w w i n n o v a i r...

Page 11: ... for Installing Indoor Unit Where there is no obstacle near the air outlet and air can be easily blown to every corner Where piping and wall hole can be easily arranged Keep the required space from the unit to the ceiling and wall according to the installation diagram on previous page Where the air filter can be easily removed Keep the unit and remote controller 1 m or more apart from television r...

Page 12: ...on 1 Installing the Mounting Plate Note The shape of your mounting plate may be different from the one above but the installation method is similar Note As the above figure shown the six holes matched with tapping screw on the mounting plate must be used to fix the mounting plate the others are prepared 3 Indoor Unit Piping Installation 2 Drill a Hole for Piping Decide the position of the hole for...

Page 13: ...g power Cord and drain pipe should be thermal insulated and fixed onto the back of the unit with a piping fixer Piping Connection a Connect indoor unit pipes with two wrenches Pay special attention to the allowed torque as shown below to prevent the pipes connectors and flare nuts from being deformed and damaged b Pre tighten them with fingers at first then use the wrenches The unit of 12K is bigg...

Page 14: ...as follows 2 Secure the power cord onto the control board with cable clamp 3 Reinstall the access door to the original position with the screw 4 Use a recognized circuit breaker for 24K model between the power source and the unit A disconnecting device to adequately disconnect all supply lines must be fitted 4 Connecting of the Cable CAUTION 1 Never fail to have an individual power circuit specifi...

Page 15: ...d from the indoor unit with a circuit breaker The diagram is reference only and the actual terminal shall prevail 7K 12K Model Evaporator Indoor unit control board Indoor unit control board Power supply Evaporator ACN IN Power supply 14K 30K Model I 21 K 24K Model L Indoor unit Terminal Outdoor unit Terminalt Indoor unit Terminal Outdoor unit Terminalt Indoor unit Terminal Outdoor unit Terminalt I...

Page 16: ...ort and rubber washer to the chassis of the outdoor unit then connect a drain hose to the port as the right figure demonstrates 2 Install and Fix Outdoor Unit Fix with bolts and nuts tightly on a flat and strong floor If installed on the wall or roof make sure to fix the supporter well to prevent it from shaking due to serious vibration or strong wind 3 Outdoor Unit Piping Connection Remove the va...

Page 17: ...rge Air Tubes 1 Unscrew and remove caps from 2 and 3 way valves 2 Unscrew and remove cap from service valve 3 Connect vacuum pump flexible hose to the service valve 4 Start vacuum pump for 10 15 minutes until reaching a vacuum of 10 mm Hg absolutes 5 With vacuum pump still running close the low pressure knob on vacuum pump manifold Then stop the vacuum pump 6 Open 2 way valve 1 4 turn then close i...

Page 18: ...mp 6 Open 2 way valve 1 4 turn then close it after 10 seconds Check tightness of all joints using liquid soap or an electronic leak detector 7 Turn 2 and 3 way valves stem to fully close the valves Disconnect the flexible vacuum pump hose 8 Replace and tighten all valve caps Air purging The air which contains moisture remaining in the refrigeration cycle may cause a malfunction on the compressor A...

Page 19: ...mpressor exhaust temperature sensor fails c the outdoor control board fails Communication failure between the indoor unit and outdoor unit O a the communication cable connect is loose b the communication cable fails c the connection between the filter board and the outdoor control board is incorrect or loose d the connection between the filter board and the terminal is incorrect or loose e the ind...

Page 20: ... b the refrigerant of the unit is not enough Anti freeze protection with cooling or overload protection with heating in indoor unit O O a the indoor coil temperature sensor connect is loose b the indoor coil temperature sensor fails c the indoor control board fails d the refrigerant system is abnormal Compressor drive in trouble O O a the outdoor drive board fails b the compressor fails outdoor co...

Page 21: ...failure O O a the outdoor drive board fails b the compressor fails Outdoor ambient temperature too low protection O O a Outdoor ambient temperature too low Mark description the lights flash every two seconds for the following faults Protection against overheated outdoor radiator Ο a Radiator sensors fail b Detection circuit of the sensor on the control panel fails Protection of the system against ...

Page 22: ...Frequency decreasing caused by indoor and outdoor communication fault 9 Ο Frequency decreasing or prohibition of frequency rising protection against overload of outdoor coiled pipe 10 Frequency decreasing or prohibition of frequency rising for power saving when it is being used simultaneously with other appliances 2 Indication by the indoor unit 2 1 The 7 segment tube of the indoor display board w...

Page 23: ...ll be displayed otherwise only the LED of the display board will show Error code Running Timer Sleep Power Remark Light o Flash x OFF 1 2 3 4 Content Remark The root cause is may be one of the following 0 Normal 1 x o x x Failure of temperature sensor of outdoor coil a The outdoor temperature sensor is loose b The outdoor temperature sensor fails c The indoor control board fails 2 Ο Compressor exh...

Page 24: ...ls h the outdoor control board fails 8 Ο Current overload protection a the fan motor runs abnormally b the condenser and evaporator are dirty c the air inlet and outlet is abnormal 9 Ο Maximum current protection a the outdoor control board has short circuit b the drive board has short circuit c the other components have short circuit 10 Ο Communication trouble between outdoor unit and driver a the...

Page 25: ...the indoor coil temperature sensor fails c the indoor control board fails d the refrigerant system is abnormal 17 PFC protection a the PFC fails b the outdoor drive board fails 18 DC compressor start failure a the outdoor drive board fails b the compressor fails 19 Ο Compressor drive in trouble a the outdoor drive board fails b the compressor fails c the outdoor control board fails 20 Ο Outdoor fa...

Page 26: ...the sensor on the control panel fails 27 Protection against too high system pressure a The pressure switch fails b The pressure detection switch on the control panel fails c The measured value of system pressure exceeds the limit 33 o x x Failure of temperature sensor of indoor room a The indoor room temperature sensor is loose b The indoor room temperature sensor fails c The indoor control board ...

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