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Panasonic CU-NE9MKE [59/96] H23 indoor pipe temperature sensor 1 abnormality
![Panasonic CU-NE9MKE [59/96] H23 indoor pipe temperature sensor 1 abnormality](/views2/1833694/page59/bg3b.png)
59
15.4.6. H23 (Indoor Pipe Temperature Sensor 1 Abnormality)
Malfunction Decision Conditions
During startup and operation of cooling and heating, the temperatures detected by the indoor heat exchanger temperature
sensor 1 are used to determine sensor errors.
Malfunction Caused
• Faulty connector connection.
• Faulty sensor.
•Faulty PCB.
Troubleshooting
Содержание
- Air conditioner 1
- Indoor unit outdoor unit cs ne9mke cu ne9mke cs ne12mke cu ne12mke cs xe9mke 5 cu ne9mke cs xe12mke 5 cu ne12mke 1
- Table of contents 1
- Carry out test run to confirm that no abnormality occurs after the servicing then explain to user the operation care and maintenance as stated in instructions please remind the customer to keep the operating instructions for future reference 3
- Read the following safety precautions carefully before perform any servicing electrical work must be installed or serviced by a licensed electrician be sure to use the correct rating of the power plug and main circuit for the model installed the caution items stated here must be followed because these important contents are related to safety the meaning of each indication used is as below incorrect installation or servicing due to ignoring of the instruction will cause harm or damage and the seriousness is classified by the following indications 3
- Safety precautions 3
- The items to be followed are classified by the symbols 3
- Specifications 5
- Cooling capacities are based on indoor temperature of 27 c dry bulb 80 f dry bulb 19 c wet bulb 66 f wet bulb and outdoor air temperature of 35 c dry bulb 95 f dry bulb 24 c wet bulb 75 f wet bulb 2 heating capacities are based on indoor temperature of 20 c dry bulb 68 f dry bulb and outdoor air temperature of 7 c dry bulb 44 f dry bulb 6 c wet bulb 42 f wet bulb 3 heating low temperature capacity input power and cop measured at 230 v indoor temperature 20 c outdoor 2 1 c 4 heating extreme low temperature capacity input power and cop measured at 230 v indoor temperature 20 c outdoor 7 8 c 5 specifications are subjected to change without prior notice for further improvement 6 maximum heating capacity shown are the values based on powerful operation 7 if the euroevent certified models can be operated under the extra low temperature condition 7 c db and 8 c wb temperature with rated voltage 230v shall be used 8 the annual consumption is calculated by multiplying the input power by an aver 7
- Cooling capacities are based on indoor temperature of 27 c dry bulb 80 f dry bulb 19 c wet bulb 66 f wet bulb and outdoor air temperature of 35 c dry bulb 95 f dry bulb 24 c wet bulb 75 f wet bulb 2 heating capacities are based on indoor temperature of 20 c dry bulb 68 f dry bulb and outdoor air temperature of 7 c dry bulb 44 f dry bulb 6 c wet bulb 42 f wet bulb 3 heating low temperature capacity input power and cop measured at 230 v indoor temperature 20 c outdoor 2 1 c 4 heating extreme low temperature capacity input power and cop measured at 230 v indoor temperature 20 c outdoor 7 8 c 5 specifications are subjected to change without prior notice for further improvement 6 maximum heating capacity shown are the values based on powerful operation 7 if the euroevent certified models can be operated under the extra low temperature condition 7 c db and 8 c wb temperature with rated voltage 230v shall be used 8 the annual consumption is calculated by multiplying the input power by an aver 10
- Features 11
- Location of controls and components 12
- Printed circuit board 21
- Do not install the unit in excessive oil fume area such as kitchen workshop and etc there should not be any heat source or steam near the unit there should not be any obstacles blocking the air circulation a place where air circulation in the room is good a place where drainage can be easily done a place where noise prevention is taken into consideration do not install the unit near the door way ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles recommended installation height for indoor unit shall be at 25
- Example for ne9 if the unit is installed at 10 m distance the quantity of additional refrigerant should be 50 g 10 7 m x 20 g m 50 g 25
- If an awning is built over the unit to prevent direct sunlight or rain be careful that heat radiation from the condenser is not obstructed there should not be any animal or plant which could be affected by hot air discharged keep the spaces indicated by arrows from wall ceiling fence or other obstacles do not place any obstacles which may cause a short circuit of the discharged air if piping length is over the piping length for additional gas additional refrigerant should be added as shown in the table 25
- Indoor outdoor unit installation diagram 25
- Indoor unit 25
- Installation instruction 25
- Least 2 m 25
- Outdoor unit 25
- Select the best location 25
- How to fix installation plate 26
- Indoor unit 26
- Indoor unit installation 26
- To drill a hole in the wall and install a sleeve of piping 26
- Connect the cable to the indoor unit 28
- After selecting the best location start installation to indoor outdoor unit installation diagram 1 fix the unit on concrete or rigid frame firmly and horizontally by bolt nut ø10 mm 2 when installing at roof please consider strong wind and earthquake please fasten the installation stand firmly with bolt or nails 30
- Connect a charging hose with a push pin to the low side of a charging set and the service port of the 3 way valve be sure to connect the end of the charging hose with the push pin to the service port 2 connect the center hose of the charging set to a vacuum pump 3 turn on the power switch of the vacuum pump and make sure that the needle in the gauge moves from 0 cmhg 0 mpa to 76 cmhg 0 mpa then evacuate the air approximately ten minutes 4 close the low side valve of the charging set and turn off the vacuum pump make sure that the needle in the gauge does not move after approximately five minutes note be sure to take this procedure in order to avoid refrigerant gas leakage 30
- Connect the piping 30
- Connecting the piping to indoor please make flare after inserting flare nut locate at joint portion of tube assembly onto the copper pipe in case of using long piping connect the piping align the center of piping and sufficiently tighten the flare nut with fingers further tighten the flare nut with torque wrench in specified torque as stated in the table 30
- Connecting the piping to outdoor decide piping length and then cut by using pipe cutter remove burrs from cut edge make flare after inserting the flare nut located at valve onto the copper pipe align center of piping to valve and then tighten with torque wrench to the specified torque as stated in the table 30
- Evacuation of the equipment 30
- Install the outdoor unit 30
- Outdoor unit 30
- When installing an air conditioner be sure to evacuate the air inside the indoor unit and pipes in the following procedure 30
- Connect the cable to the outdoor unit 31
- Pipe insulation 31
- Basic function 32
- Cooling operation 32
- Heating operation 32
- Internal setting temperature 32
- Operation and control 32
- Soft dry operation 32
- Thermostat control 32
- Automatic operation 33
- Fan operation 33
- Indoor fan motor operation 33
- Airflow direction 34
- Automatic vertical airflow direction can be set using remote control the vane swings up and down within the angles as stated above for heating mode operation the angle of the vane depands on the indoor heat exchanger temperature as figure 1 below when the air conditioner is stopped using remote control the vane will shift to close position 2 manual vertical airflow direction can be set using remote control the angles of the vane are as stated above and the positions of the vane are as figure 2 below when the air conditioner is stopped using remote control the vane will shift to close position 34
- B feedback control immediately after the fan motor started feedback control is performed once every second during fan motor on if fan motor feedback 2550 rpm or 50 rpm continue for 10 seconds then fan motor error counter increase fan motor is then stop and restart if the fan motor counter becomes 7 times then h19 fan motor error is detected operation stops and cannot on back 34
- Heating according to indoor pipe temperature automatic heating fan speed is determined as follows 34
- Outdoor fan motor is operated with 15 fan speed number of rotations it starts when compressor starts operation and it stops 30 seconds after compressor stops operation 34
- Outdoor fan motor operation 34
- There are two types of airflow vertical airflow directed by horizontal vane and horizontal airflow directed by vertical vanes 2 control of airflow direction can be automatic angles of direction is determined by operation mode heat exchanger temperature and intake air temperature and manual angles of direction can be adjusted using remote control 34
- Vertical airflow 34
- Horizontal airflow 35
- Quiet operation cooling mode cooling area of dry mode 35
- Quiet operation heating 35
- Auto restart control 36
- C control contents a fan speed manual 1 fan speed is changed from normal setting to quiet setting of respective fan speed this is to reduce sound of hi me lo for 3db 2 fan speed for quiet operation is reduced from setting fan speed b fan speed auto 1 indoor fm rpm depends on pipe temp sensor of indoor heat exchanger 36
- Indication panel 36
- Note if power led is blinking the possible operation of the unit are hot start operation mode judgment or on timer sampling if timer led is blinking there is an abnormality operation occurs if e ion led is blinking there is an abnormality of e ion occurs if patrol led is blinking there is a gas sensor error detection 36
- Off timer can be set using remote control the unit with timer set will stop operate at set time 36
- Off timer control 36
- On timer can be set using remote control the unit with timer set will start operate earlier than the setting time this is to provide a comfortable environment when reaching the set on time 60 minutes before the set time indoor at fan speed of lo and outdoor fan motor start operate for 30 seconds to determine the indoor intake air temperature and outdoor air temperature in order to judge the operation starting time from the above judgment the decided operation will start operate earlier than the set time as shown below 36
- On timer control 36
- Powerful mode operation 36
- Timer control 36
- When the power supply is cut off during the operation of air conditioner the compressor will re operate within three to four minutes there are 10 patterns between 2 minutes 58 seconds and 3 minutes 52 seconds to be selected randomly after power supply resumes 2 this type of control is not applicable during on off timer setting 36
- When the powerful mode is selected the internal setting temperature will shift lower up to 2 c for cooling soft dry or higher up to 3 c for heating than remote control setting temperature for 20 minutes to achieve the setting temperature quickly 36
- Patrol operation 37
- E ion operation 39
- C heat operation 42
- 30 seconds forced operation 43
- Ipm power transistor prevention control 43
- Protection control 43
- Protection control for all operations 43
- Restart control time delay safety control 43
- Total running current control 43
- Compressor overheating prevention control 44
- Low frequency protection control 1 44
- Low frequency protection control 2 44
- Low pressure prevention control gas leakage detection 44
- Cooling overload control 45
- Dew prevention control 1 45
- Freeze prevention control 1 45
- Freeze prevention control 2 45
- Outdoor air temperature control 45
- Protection control for cooling soft dry operation 45
- Cold draught prevention control 46
- Deice operation 46
- Dew prevention control 2 46
- Intake air temperature control 46
- Low temperature compressor oil return control 46
- Outdoor air temperature control 46
- Overload protection control 46
- Protection control for heating operation 46
- Auto off on button 47
- Servicing mode 47
- Clock button 48
- Remote control button 48
- Reset ac 48
- Reset rc 48
- Set button 48
- Refrigeration cycle system 49
- Troubleshooting guide 49
- Carry out the measurements of pressure electric current and temperature fifteen minutes after an operation is started 50
- Relationship between the condition of the air conditioner and pressure and electric current 50
- Breakdown self diagnosis function 51
- Self diagnosis function three digits alphanumeric code 51
- Error codes table 52
- H11 indoor outdoor abnormal communication 54
- Self diagnosis method 54
- H14 indoor intake air temperature sensor abnormality 55
- H15 compressor temperature sensor abnormality 56
- H16 outdoor current transformer open circuit 57
- H19 indoor fan motor dc motor mechanism locked 58
- H23 indoor pipe temperature sensor 1 abnormality 59
- H24 indoor pipe temperature sensor 2 abnormality 60
- H25 e ion air purifying system abnormal 61
- H27 outdoor air temperature sensor abnormality 62
- 0 h28 outdoor pipe temperature sensor abnormality 63
- 1 h30 compressor discharge temperature sensor abnormality 64
- 2 h33 unspecified voltage between indoor and outdoor 65
- 3 h58 patrol sensor abnormality 66
- 4 h97 outdoor fan motor dc motor mechanism locked 67
- 5 h98 indoor high pressure protection 68
- 6 h99 indoor freeze prevention protection cooling or soft dry 69
- 7 f11 4 way valve abnormality 70
- 8 f90 power factor correction protection 71
- 9 f91 refrigeration cycle abnormality 72
- 0 f93 compressor rotation failure 73
- 1 f95 cooling high pressure abnormality 74
- 2 f96 ipm overheating 75
- 3 f97 compressor overheating 76
- 4 f98 input over current detection 77
- 5 f99 output over current detection 78
- Checking the power transistor never touch any live parts for at least 10 minutes after turning off the circuit breaker if unavoidable necessary to touch a live part make sure the power transistor s supply voltage is below 50v using the tester for the uvw make measurement at the faston terminal on the board of the relay connector 78
- Malfunction caused dc peak due to compressor failure dc peak due to defective power transistor s dc peak due to defective outdoor unit pcb 78
- Malfunction decision conditions during operation of cooling and heating when an output over current 18 a is detected by checking the current that flows in the inverter dc peak sensing circuitry 78
- Troubleshooting 78
- Disassembly and assembly instructions 79
- Indoor electronic controllers cross flow fan and indoor fan motor removal procedures 79
- Outdoor electronic controller removal procedure 83
- Technical data 84
- Cu ne12mke 92
- Cu ne9mke 92
- Sensible capacity chart 92
- Exploded view and replacement parts list 93
- Indoor unit 93
- Note all parts are supplied from phaam malaysia vendor code 00029488 o marked parts are recommended to be kept in stock 94
- Outdoor unit 95
- Note all parts are supplied from phaam malaysia vendor code 00029488 o marked parts are recommended to be kept in stock 96
- Phaam printed in malaysia fy1107 0 96
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