Panasonic CU-S12NKUA User Manual (English)

Other manuals for Panasonic CU-S12NKUA

Service Manual74 pages

Information2 pages

Questions and Answers:

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Patrick MooreSep 7, 2025
How to fix F96 error related to IPM overheating in Panasonic CU-S12NKUA?
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  Crystal BaileySep 7, 2025
  The F96 error on your Panasonic Air Conditioner indicates IPM overheating. This can be caused by: * A short circuit of hot discharge air flow, so inspect and resolve airflow issues. * A defective outdoor fan motor, so replace the outdoor fan motor. * A defective internal circuitry of the IPM, so replace the IPM. * A defective IPM temperature sensor, so replace the IPM temperature sensor.
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Sandra MillerAug 25, 2025
What does F91 error mean on my Panasonic Air Conditioner and how to fix it?
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  khaneyAug 25, 2025
  The F91 error on your Panasonic Air Conditioner signals a refrigeration cycle abnormality. This can be caused by: * A refrigerant shortage due to leaks, in which case you should check for leaks and recharge the system. * Poor compressor performance, so inspect the compressor. * A closed 2/3 way valve, so ensure the valve is open. * Faulty indoor intake air or pipe temperature sensors, so test and replace any faulty sensors.
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james01Aug 25, 2025
How to troubleshoot H98 error related to high pressure in my Panasonic CU-S12NKUA Air Conditioner?
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  Victoria OrtizAug 26, 2025
  The H98 error indicates indoor high pressure protection. This may be due to: * A clogged air filter, so clean or replace it. * Dust accumulation on the heat exchanger, so clean it. * An air short circuit, so check for and eliminate it. * A faulty indoor pipe temperature sensor, so replace it. * A defective indoor unit PCB, so replace it.
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Mary PowellAug 27, 2025
Why does my Panasonic Air Conditioner show F98 error and how to fix it?
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  tjohnsonAug 27, 2025
  The F98 error on your Panasonic Air Conditioner indicates an input over current detection. This can occur due to: * Compressor failure, so inspect and replace the compressor if necessary. * A defective outdoor unit PCB, so replace it. * A defective inverter main circuit electrolytic capacitor, so replace it. * Excessive refrigerant, so check for proper refrigerant levels.
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Eric CaldwellAug 27, 2025
How to fix H19 error, when indoor fan motor is locked, in Panasonic Air Conditioner?
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  Kathryn BridgesAug 27, 2025
  The H19 error on your Panasonic Air Conditioner indicates that the indoor fan motor mechanism is locked. This could be due to: * A short circuit inside the fan motor winding, so replace the indoor fan motor. * A broken wire inside the fan motor, so inspect and repair any broken wires. * Broken fan motor lead wires, so inspect and repair them. * Hall IC malfunction, so replace the Hall IC. * A faulty indoor unit PCB, so replace it.
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sharontranAug 29, 2025
What causes F95 error in Panasonic CU-S12NKUA Air Conditioner and how to resolve it?
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  elizabethjohnsonAug 29, 2025
  The F95 error on your Panasonic Air Conditioner indicates a cooling high pressure abnormality. This can be caused by: * A short circuit of hot discharge air flow, so inspect the outdoor unit for airflow obstructions. * A defective outdoor fan motor, so replace the outdoor fan motor. * A defective outdoor pipe temperature sensor, so replace it. * A defective outdoor unit PCB, so replace it.
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Julia WilliamsSep 13, 2025
How to troubleshoot H15 error (compressor temperature sensor abnormality) in Panasonic CU-S12NKUA?
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  Zachary HarrisSep 13, 2025
  The H15 error on your Panasonic Air Conditioner indicates an abnormality with the compressor temperature sensor. This can be caused by: * A faulty connector connection, so check and secure connector connections. * A faulty sensor, so replace the outdoor compressor temperature sensor. * A faulty PCB, so replace the defective PCB.
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Dr. Patricia BanksSep 14, 2025
What does H23 error mean on my Panasonic CU-S12NKUA Air Conditioner?
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  David YangSep 15, 2025
  The H23 error on your Panasonic Air Conditioner indicates an abnormality with the indoor pipe temperature sensor. This can be caused by: * A faulty connector connection, so check and secure connector connections. * A faulty sensor, so replace the indoor pipe temperature sensor. * A faulty PCB, so replace the defective PCB.
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Paul WatsonSep 5, 2025
What does H16 error mean on Panasonic CU-S12NKUA?
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  Martin LopezSep 6, 2025
  The H16 error on your Panasonic Air Conditioner indicates an open circuit in the outdoor current transformer. This could be due to: * A defective current transformer, so replace it. * A defective outdoor PCB, so replace it. * A defective compressor (low compression), so inspect and replace the compressor if necessary.
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Kimberly GreenSep 3, 2025
What to do if Panasonic CU-S12NKUA Air Conditioner shows H12 error (capacity rank mismatch)?
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  lindalambertSep 3, 2025
  The H12 error on your Panasonic Air Conditioner indicates a capacity rank mismatch between the indoor and outdoor units. This can be caused by: * Wrong models interconnected, so ensure compatible units are connected. * Wrong indoor or outdoor unit PCBs mounted, so check and replace incorrect PCBs. * Defective indoor or outdoor unit PCBs, so test and replace them. * Incorrect wiring between the units, so verify the wiring. * Broken wires in the connection wires, so inspect and repair any broken wires.