Panasonic Air Conditioner Error Codes

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Panasonic has a long-standing reputation for quality and innovation across a wide range of consumer electronics and appliances. Especially in Singapore, Panasonic has become especially popular due to its air conditioners, which cater to the country's warm, humid climate, and its high expectations for durability and performance. Additionally, Panasonic’s commitment to local support and after-sales service has further cemented its position as a trusted brand in Singapore. Check out the top 3 most buy Panasonic air conditioners in Singapore:

  • Panasonic X-Premium Inverter CS-XU13XKH-1 is one of the most popular Panasonic units in Singapore. This model comes equipped with Panasonic’s nanoe X technology, which actively purifies the air by inhibiting harmful pollutants, a feature highly valued in Singapore’s urban setting.
  • Panasonic Aero Series CS-PU9WKZ is loved by many Singaporeans due to its sleek design and powerful cooling.
  • Panasonic Multi-Split Inverter CU-2XS18UKH-1 is popular among Singaporean families and larger households as it allows multiple rooms to be cooled with just one outdoor unit, saving space and energy.

Panasonic air conditioners are indeed hailed for their superior quality and durability for their price range, but your air conditioner may still encounter problems from time to time. Most of these problems can be solved by doing a couple of quick troubleshooting steps: turning the unit on and off, unplugging it from the socket, or just simply letting it rest for an hour or two.

The error code displayed on the remote control, indoor, or outdoor unit of your air conditioner indicates the problem with your unit. Always refer back to your owner's manual for troubleshooting steps, or check our Panasonic AC troubleshooting guide.

How Do I Find the Error Code on My Panasonic Air Conditioner?

Remote Control

  1. Point the remote control towards the unit.
  2. Use a paperclip or something similar to press the check button until the display on the remote control changes to “- -”
  3. Scroll through all the available error codes with the timer up and down buttons.
  4. Once you’ve found the error code of your unit, your air conditioner will beep.

Comfort Cloud App

  1. After opening the Panasonic Comfort Cloud app, click on the notification icon on the upper left corner of the main page. This is symbolized by the letter ‘i’ inside a circle.
  2. Check the error messages section of the notification page. If your unit is experiencing an issue, then the error code and its corresponding meaning will be displayed here.

Panasonic Fault Codes

  • A01: Engine oil pressure error
  • A02: Engine oil error
  • A03: Engine high-revolution error
  • A04: Engine low-revolution error
  • A05: Ignition source error
  • A06: Engine start failure
  • A07: Fuel gas valve error
  • A08: Engine stall
  • A10: Exhaust gas temperature high
  • A12: Throttle failure
  • A14: Engine oil pressure switch error
  • A15: Starter power source output short circuit
  • A16: Starter lock
  • A17: CT error
  • A19: Low coolant temperature
  • A20: High coolant temperature
  • A21: Coolant level error
  • A22: Coolant pump error
  • A23: Crankshaft angle sensor error
  • A24: Camshaft angle sensor error
  • A25: Clutch error
  • A26: Flameout error
  • A27: Catalyst temperature error
  • E01: Remote controller receive failure
  • E02: Remote controller transmission failure
  • E03: Indoor unit receive failure from remote controller
  • E04: Indoor unit receive failure from outdoor unit
  • E05: Indoor unit transmission failure to outdoor unit
  • E06: Outdoor unit receive failure from indoor unit
  • E07: Outdoor unit transmission failure to indoor unit
  • E08: Duplicated indoor unit address setting
  • E09: Multiple main remote controller unit sets
  • E11: Indoor unit receive failure from signal output board
  • E12: Automatic address setting in progress
  • E13: Indoor unit transmission failure to remote controller
  • E15: Automatic address alarm (too few units)
  • E16: Automatic address alarm (too many units)
  • E18: Group control wiring communication failure
  • E20: No indoor unit in automatic address setting
  • E21: Outdoor main board failure
  • E22: Outdoor main board sensor error
  • E24: Communication failure between outdoor units
  • E26: Inconsistencies in number of outdoor units
  • E31: Communication failure between units
  • F01: Indoor unit temperature sensor error
  • F02: Indoor unit temperature sensor error
  • F03: Indoor unit temperature sensor error
  • F04: Outdoor unit temperature sensor error
  • F06: Outdoor unit temperature sensor error
  • F07: Issue with intermediate temperature sensor in heat exchanger
  • F08: Outdoor unit temperature sensor error
  • F10: Indoor unit temperature sensor error
  • F11: Cooling mode / heating switch error / Indoor unit temperature sensor error
  • F12: Outdoor unit temperature sensor error / Compressor inlet suction temperature sensor (TS) trouble
  • F13: Outdoor unit temperature sensor error
  • F16: Compressor inlet/outlet pressure sensor error
  • F17: Freezing of indoor unit / Outdoor unit temperature sensor error
  • F18: Outdoor unit temperature sensor error
  • F20: Clutch coil temperature sensor error
  • F21: Clutch coil 2 temperature sensor error
  • F29: Indoor nonvolatile memory (EEPROM) error
  • F31: Outdoor nonvolatile memory (EEPROM) error
  • F90: Open circuit of compressor windings
  • F91: Refrigerant circuit issue
  • F93: Compressor rotation speed error
  • F94: Overpressure protection due to high discharge pressure
  • F95: Outdoor unit heat exchanger overheating
  • F96: Overheating of the power module
  • F97: Compressor temperature is too high
  • F98: Current consumption of external module is too high
  • F99: DC protection system error
  • H00: No detected abnormalities
  • H01: Primary (input) overcurrent detected
  • H02: PAM trouble
  • H03: Primary current CT sensor failure
  • H05: Compressor discharge temperature sensor failure
  • H07: Compressor oil depletion error
  • H08: Outdoor unit temperature sensor error
  • H11: Communication error between indoor unit and outdoor unit
  • H12: Other power error between outdoor unit and indoor unit
  • H14: Room temperature sensor error
  • H15: Compressor discharge temperature sensor error
  • H16: Compressor load current is too low
  • H17: Room temperature sensor error
  • H19: Internal fan block error
  • H21: Drainage blocked or float sensor defective
  • H23: Indoor heat exchanger temperature sensor error
  • H24: Evaporator temperature sensor N2 issue
  • H25: Defective ionization unit or internal board
  • H27: Outdoor intake air temperature sensor error
  • H28: Outdoor heat exchanger temperature sensor abnormality
  • H30: Outdoor discharge air temperature sensor abnormality
  • H31: HIC trouble
  • H32: Temperature sensor at the output of the condenser is closed or broken
  • H33: Connection error between indoor and outdoor units
  • H34: Outdoor heat sink temperature sensor abnormality
  • H35: Drainage blockage or pump malfunction
  • H36: Outdoor unit gas tube temperature sensor issue
  • H37: Outdoor unit liquid tube temperature sensor short-circuit
  • H38: Mismatch between indoor and outdoor units
  • H39: Abnormal indoor operating unit or standby units
  • H41: Incorrect wiring and freon wiring
  • H50: Defective fan motor or board
  • H51: Nozzle blockage
  • H52: Malfunction of limiter switch
  • H58: Patrol circuit error
  • H59: Eco patrol circuit error
  • H64: Malfunction of high pressure sensor
  • H67: Error with Nanoe X
  • H85: Abnormal communication between indoor and wireless LAN module
  • H94: Compressor discharge temperature sensor malfunction
  • H97: Faulty compressor motor or indoor unit board
  • H98: Protection for total current consumption
  • H99: Error of the DC protection system
  • L02: Inconsistencies in indoor and outdoor unit models
  • L03: Multiple main units set for group control
  • L04: Duplicate system (outdoor unit) address setting
  • L05: Duplicate indoor unit priority setting
  • L06: Duplicate indoor unit priority setting
  • L07: Group control wire present for individual-control unit
  • L08: Indoor unit address not set
  • L09: Indoor unit capacity not set
  • L10: Outdoor unit capacity not set
  • L13: Indoor unit model type setting failure
  • L15: Defective pairing of indoor units
  • L16: Faulty water heat exchanger unit settings
  • L18: Four-way valve operation failure
  • L19: Duplicated water heat exchanger unit parallel array addresses
  • L21: Gas type setting failure
  • P01: Indoor fan error
  • P03: High compressor discharge temperature
  • P04: Refrigerant high-pressure switch operation
  • P05: AC power supply trouble
  • P09: Indoor unit ceiling panel connector connection failure
  • P10: Indoor unit float switch operation
  • P11: Indoor unit drain pump error / Water heat exchanger unit anti-icing sensor error
  • P12: Indoor DC fan error
  • P13: Refrigerant circuit error
  • P15: Complete refrigerant gas depletion
  • P16: Compressor overcurrent trouble
  • P18: Bypass valve error
  • P19: Four-way valve lock error
  • P20: Refrigerant high-pressure error
  • P22: Outdoor unit fan error
  • P23: Water heat exchanger unit interlock error
  • P26: Clutch connection error
  • P29: Lack of INV compressor wiring / INV compressor actuation failure due to DCCT failure
  • P30: Group control’s sub unit error
  • P31: Group control error

Also, read our article on how to repair Panasonic aircon timer light blinking.

Understanding the meaning of your Panasonic air conditioner’s error code is the first step toward fixing the issue, but you may not be able to handle it all on your own. First, check out your air conditioner warranty, who knows you might still be covered for free repairs or parts replacement. If you still have your warranty on, you can visit the official Panasonic Service Center at 202 Bedok South Avenue 1 Singapore 469332.

If your warranty has expired, why don't consider booking an appointment with an aircon servicing company such as Luce? Our professional HVAC technician will not only be able to properly diagnose your unit but also make the necessary repairs and recommendations to have you feeling cool and relaxed in no time.

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