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Summary of Contents for innovair BIN414C2V32
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Page 1: Troubleshooting Guide
BIO-INVERTER TROUBLESHOOTING GUIDE BIN312C2V32 BIN414C2V32 BIN520C2V32 BIN625C2V32 INVERTER MINI SPLIT SYSTEM ©2015 Innovair Corporation. All Rights Reserved. www.innovair.com... -
Page 2: Indoor Unit Error Display
Outdoor unit EEPROM parameter error ☆ 1 times ☆ IPM malfunction or IGBT over-strong current protection ☆ 2 times ☆ Over voltage or over low voltage protection ☆ 5 times ☆ Inverter compressor drive error ©2015 Innovair Corporation. All Rights Reserved. www.innovair.com... -
Page 3: Outdoor Unit Error Display
After power on, it will be slow flash(0.2Hz) when the unit is in standby and quick flash (2.5Hz) if the unit has some problems, it will be solid light when the unit is running. ©2015 Innovair Corporation. All Rights Reserved. www.innovair.com... - Page 4 LED 2 is a yellow light. After power on, it will be slow flash(0.2Hz) when the unit is in standby and quick flash (2.5Hz) if the unit has some problems. LED 4(green) and LED3 (red) are two lights controlled by the compressor drive chip. Below are meanings for those lights. ©2015 Innovair Corporation. All Rights Reserved. www.innovair.com...
- Page 5 There’s a LED light on the outdoor PCB which is blue color. After power on, it will be slow flash(0.2Hz) when the unit is in standby and quick flash (2.5Hz) if the unit has some problems. ©2015 Innovair Corporation. All Rights Reserved. www.innovair.com...
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Page 6: Diagnosis And Solution
For the location of EEPROM chip, please refer to the below photos. Indoor PCB Outdoor PCB Note: The two photos above are only for reference, it’s may be not same totally with the ones on your side. ©2015 Innovair Corporation. All Rights Reserved. www.innovair.com... - Page 7 Replace the outdoor main PCB. Replace the indoor main PCB. Power on. Is the error extinguished? Power on. Is the error extinguished? Replace the outdoor main PCB. Replace the indoor main PCB. ©2015 Innovair Corporation. All Rights Reserved. www.innovair.com...
- Page 8 Use a multimeter to test the resistance of the reactor which does not connect with capacitor. The normal value should be around zero ohm. Otherwise, the reactor must have malfunction and need to be replaced. ©2015 Innovair Corporation. All Rights Reserved. www.innovair.com...
- Page 9 Trouble shooting: Check if the connections and Correct the connections. Turn on the power supply is normal? unit when the power supply is good. Indoor main PCB is defective. Replace indoor main PCB. ©2015 Innovair Corporation. All Rights Reserved. www.innovair.com...
- Page 10 Replace the fan motor is normal through still existing, motor index 1? replace the main PCB Replace the main PCB. Check whether the main PCB is normal through index 2? malfunction is solved? ©2015 Innovair Corporation. All Rights Reserved. www.innovair.com...
- Page 11 Otherwise, go to step 2. 2) Power on and when the unit is in standby, measure the voltage of pin4-5 in feedback signal ©2015 Innovair Corporation. All Rights Reserved. www.innovair.com...
- Page 12 3) Rotate the fan by hand, measure the voltage of pin1-5, pin 2-5 and pin 3-5 in feedback signal connector. If any voltage is not positive voltage fluctuation, the fan motor must has problems and need to be replaced. ©2015 Innovair Corporation. All Rights Reserved. www.innovair.com...
- Page 13 Are the connections good? Check the resistance value of the sensor via Replace indoor or table1(p64)and table outdoor main PCB. 2(p65), is it normal? Replace the sensor and check if the problem happen again? ©2015 Innovair Corporation. All Rights Reserved. www.innovair.com...
- Page 14 Repair the leakage and recharge the refrigerant. Is there any block i n g ? (Such as the capillary or the welded points of the pipes.) Clear the blocking. ©2015 Innovair Corporation. All Rights Reserved. www.innovair.com...
- Page 15 Check if the compressor resistance Replace the compressor. values are uniform .Refer to page 63. Replace the outdoor main PCB if the main PCB and IPM are separate. connector, the resistance should be around 88.5Ω at 20℃(68℉) ©2015 Innovair Corporation. All Rights Reserved. www.innovair.com...
- Page 16 ©2015 Innovair Corporation. All Rights Reserved. www.innovair.com...
- Page 17 ©2015 Innovair Corporation. All Rights Reserved. www.innovair.com...
- Page 18 P and N. Is it in 220V~400V? Replace outdoor main PCB. Remark: Measure the DC voltage between P and N port. The normal value should be around 310V. ©2015 Innovair Corporation. All Rights Reserved. www.innovair.com...
- Page 19 Check if the refrigerant the OLP. Is it zero? charge volume is normal? Replace the outdoor control PCB. Refrigerant system is blocked, such Recharge the correct as capillary or welded point of pipes. refrigerant volume. ©2015 Innovair Corporation. All Rights Reserved. www.innovair.com...
- Page 20 Replace the outdoor main PCB if the main PCB and IPM are separate. BIN625C2V32-IW and MS11D-22HRDN1-MN10W models: Measure the black pin and red pin of the motor connector, the resistance should be around 88.5Ω at 20℃(68℉) ©2015 Innovair Corporation. All Rights Reserved. www.innovair.com...
- Page 21 Disconnect the temperature sensor from PCB, measure the resistance value with a tester. Temperature Sensors. Room temp.(T1) sensor, Indoor coil temp.(T2) sensor, Outdoor coil temp.(T3) sensor, Outdoor ambient temp.(T4) sensor, Compressor discharge temp.(T5) sensor. Measure the resistance value of each winding by using the multi-meter. ©2015 Innovair Corporation. All Rights Reserved. www.innovair.com...