Panasonic is considered a top manufacturer and distributor all around the world. Offering customers everything from air conditioners, entertainment systems, refrigerators, TVs and so much more for home and commercial use. Founded more than 105 years ago, Panasonic is a Japanese multinational corporation that started its operations by producing light bulb sockets. It’s easy to assume that the company has come a long way and made its place as one of the largest companies in the world.
Along with that, the company offers a wide range of top-of-the-line choices that are designed to fit your residential and commercial space. Offering you the ease of mind you need to focus on your work rather than worry about the basic workings of your home.
Regardless of how high a company is ranked, or how well the appliance is reviewed, you are at the risk of an error. An error is not here to tell you it’s time to switch out your appliance, it’s a direct signal from the device – one that tells the owner something is wrong with the system that needs to be fixed. So rather than ignoring the error codes, your appliance is showing its time to note down the Panasonic air conditioner error code and get to the bottom of the problem. To help you out we have listed down the most common error codes of Panasonic air conditioners.
Contents: 1. Split AC, 2. Multi AC, 3. Cassette AC Error Codes;
Panasonic Inverter Split AC Error Codes
Error Codes | Cause |
---|---|
S01 | Room temperature sensor failure |
S02 | Indoor coil sensor failure |
S03 | Humidity sensor failure |
S04 | Comp. temperature sensor failure |
S05 | Outdoor coil sensor failure |
S06 | Outdoor air sensor failure |
S07 | Outdoor current sensor failure |
E01 | Indoor/outdoor communication failure |
E02 | HIC circuit failure (Compressor/Fan circuit) |
E03 | Outdoor unit OTP rom failure |
E04 | Peak current cut off |
E05 | PAM or Active circuit failure |
E06 | High compressor discharge temperature |
E07 | Indoor fan operating failure |
E08 | Way valve switching failure (RV) |
E09 | No refrigerant protection |
E10 | DC compressor drive circuit failure |
E11 | Outdoor fan operating failure |
E12 | Error in outdoor unit |
E13 | Freeze prevention activated |
Note: “0″ – Frequency measured and fan speed fixed. The memory data of error code is erased when the power supply is cut off, or press the Auto Switch until “beep” sound heard following by pressing the “CHECK” button at Remote Control. Although operation forced to stop when abnormality detected, emergency operation is possible for certain errors by using Remote Control or Auto Switch at indoor unit. However, the Remote Control signal receiving sound is changed from one “beep” to four“beep” sounds.
To make a diagnosis
- Timer LED start to blink and the unit automatically stops the operation
- Press the CHECK button on the remote controller continuously for 5 seconds.
- “- -” will be displayed on the remote controller display. Note: Display only for “- -”. (No transmitting signal, no receiving sound and no Power LED blinking.)
- Press the “TIMER” + or – button on the remote controller. The code “H00” (no abnormality) will be displayed and signal will be transmitted to the main unit.
- Every press of the button (up or down) will increase abnormality numbers and transmit abnormality code signal to the main unit.
- When the latest abnormality code on the main unit and code transmitted from the remote controller are matched, power LED will light up for 30 seconds and a beep sound (continuously for 4 seconds) will be heard. If no codes are matched, power LED will light up for 0.5 seconds and no sound will be heard.
- The breakdown diagnosis mode will be canceled by pressing the CHECK button continuously for 5 seconds or without any operation the remote control for 30 seconds.
- The LED will be off if the unit is turned off or the AC button on the main unit is pressed.
To clear memorized error (Protective operation) status after repair:
1. Turn power on.
2. Press the AUTO button for 5 seconds (A beep receiving sound) on the main unit to operate the unit at Forced Cooling Operation mode.
3. Press the CHECK button on the remote controller for about 1 second with a pointed object to transmit signal to main unit. A beep sound is heard from main unit and the data is cleared.
Temporary Operation (Depending on breakdown status)
1. Press the AUTO button (A beep receiving sound) on the main unit to operate the unit. (Remote control will become possible.)
2. The unit can temporarily be used until repaired.
Panasonic Multi AC Error Codes
Error Codes | Problem |
---|---|
H00 | No abnormality detected |
H11 | Indoor-outdoor abnormal communication |
H14 | Indoor intake air temperature sensor abnormality |
H15 | Outdoor compressor temperature sensor abnormality |
H16 | Outdoor Current Transformer open circuit |
H19 | Indoor fan motor merchanism lock |
H23 | Indoor heat exchanger temperature sensor abnormality |
H24 | Indoor heat exchanger temperature sensor 2 abnormality |
H27 | Outdoor air temperature sensor abnormality |
H28 | Outdoor heat exchanger temperature sensor abnormality |
H30 | Outdoor discharge air temperature sensor abnormality |
H33 | Indoor/Outdoor wrong connection |
H38 | Indoor/outdoor mismatch (brand code) |
H97 | Outdoor fan motor mechanism locked |
H98 | Indoor high pressure protection |
H99 | Indoor heat exchanger anti-freezing protection |
F11 | Cooling/Heating cycle changeover abnormality |
F90 | PFC control |
F91 | Refrigeration cycle abnormal |
F93 | Outdoor compressor abnormal revolution |
F95 | Cool high pressure protection |
F96 | IPM (power transistor) overheating protection |
F97 | Outdoor compressor overheating protection |
F98 | Total running current protection |
F99 | Outdoor Direct Current (DC) peak detection |
Panasonic Cassette AC Error Codes
If the problem persists even after you check the foregoing items, stop the unit, disconnect the power to the indoor unit and contact the dealer where the product was purchased with the model number and problem you are having.
Error Codes | Problem |
---|---|
E06 | Outdoor unit failed to receive serial communication signals from indoor unit |
E07 | Outdoor unit sending failure to indoor unit |
E12 | Automatic address setting start is prohibited while auto-address setting in progress. |
E14 | Main unit duplication in simultaneous-operation multi control (detected outdoor unit) |
E15 | Automatic address alarm (capacity too low) |
E16 | Automatic address alarm (capacity too high) |
E20 | No indoor units connected |
F04 | Compressor discharge temperature sensor (TD) trouble |
F06 | Inlet temperature sensor (C1) in heat exchanger trouble |
F07 | Intermediate temperature (C2) in heat exchanger trouble |
F08 | Outdoor air temperature sensor (TO) trouble |
F12 | Compressor inlet suction temperature sensor (TS) trouble |
F31 | Outdoor unit nonvolatile memory (EEPROM) trouble |
H01 | Primary (input) overcurrent detected |
H02 | PAM trouble |
H03 | Primary current CT sensor (current sensor) failure |
H05 | Sensor failure, Compressor discharge temperature sensor (TD) disconnected |
H31 | HIC trouble |
L04 | Outdoor unit address duplication |
L10 | Outdoor unit capacity not set |
L13 | Indoor unit type setting error |
L18 | 4-way valve operation failure |
P03 | Compressor discharge temperature trouble |
P04 | High pressure trouble |
P05 | AC power supply trouble |
P13 | Alarm valve open |
P14 | O2 sensor detect |
P15 | Insufficient gas level detected |
P16 | Compressor overcurrent trouble |
P22 | Outdoor unit fan motor trouble |
P29 | Lack of INV compressor wiring, INV compressor actuation failure (including locked) due to DCCT failure |
Panasonic Air Conditioner Troubleshooting
The following symptoms do not indicate malfunction;
Symptom | Cause |
---|---|
Mist emerges from indoor unit. | Condensation effect due to cooling process |
Water flowing sound during operation. | Refrigerant flow inside the unit. |
The room has a peculiar odour | This may be due to damp smell emitted by the wall, carpet, furniture or clothing |
Indoor fan stops occasionally during automatic fan speed setting | This helps to remove the surrounding odour |
Airflow continues even after operation has stopped | Extraction of remaining heat from the indoor unit (maximum 30 seconds) |
Operation is delayed a few minutes after restarting | The delay is a protection to the unit’s compressor |
Outdoor unit emits water/steam | Condensation or evaporation occurs on pipes |
POWER indicator blinks during HEAT mode with no warm air supply (and louver is closed) | The unit is in defrost mode (and AIR SWING is set to AUTO) |
Indoor fan stops occasionally during heating operation | To avoid unintended cooling effect |
POWER indicator blinks before the unit is switched on | This is a preliminary step in preparation for the operation when the ON timer has been set |
Cracking sound during operation | Changes of temperature caused the expansion/contraction of the unit |
POWER indicator blinks 3 seconds ON and 0.5 seconds OFF during operation | Cause: The unit is in Demand Response Mode. Check: the following before calling for servicing |
Noisy during operation | Check: Check if the unit has been installed at an incline. Close the front panel properly. |
Remote control does not work | Check: Insert the batteries correctly. Replace weak batteries. |
The unit does not work | Check: Check if the circuit breaker is tripped. Check if timers have been set. |
The unit does not receive the signal from the remote control. | Check: Make sure the receiver is not obstructed. Certain fluorescent lights may interfere with signal transmitter. Please consult authorised dealer. |
The unit stops and the TIMER indicator blinks;
E1-E20 Error Codes;
Panasonic Cassette Air Conditioner MANUAL PDF
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