Brand: Panasonic
Category: Air Conditioner
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for R32
Uploaded: Nov. 21, 2025, 7:50 p.m.
Warranty Information
Refer to the warranty information provided by the sales dealer or installer.
Basic Operation
- Cooling Mode: Set the desired temperature to cool the room.
- Heating Mode: Set the desired temperature to heat the room.
- Fan Mode: Operates the fan without heating or cooling.
- Auto Mode: The unit automatically selects between cooling and heating to maintain the set temperature.
- Dehumidify Mode: Reduces humidity in the room.
- Remote Controller Functions: Allows selection of modes, temperature, fan speed, timer settings, and other advanced features like auto-address setting.
- Auto Address Setting: Automatically assigns addresses to indoor and outdoor units for system operation.
- Test Run: Performed after installation to confirm proper operation.
Troubleshooting and error codes
Self-Diagnostic Functions and Corrections
| Abnormal Display | Alarm Contents | Error Location |
|---|---|---|
| E01 | Faulty remote controller | Replace the remote controller |
| E02 | Disconnection / Contact failure of remote controller wiring | Correct the remote controller wiring |
| E03 | CHK (check) pins on the indoor unit control PCB are short circuited | Remove the short |
| E04 | Non-group control: Power supply OFF of outdoor unit. Disconnection / Contact failure of inter-unit wiring. Group control: Automatic address operation was not carried out. | Execute auto address setting |
| E06 | Disconnection / Contact failure of inter-unit wiring. Communication circuit fuse (F302) on indoor unit control PCB opened. | Correct the inter-unit control wiring. Check the electrical connection of fuse (F302) on indoor unit control PCB. |
| E12 | Indoor unit control PCB address settings error. Auto address setting start is prohibited. | Indoor unit address re-setting. Check the inter-unit control wiring. |
| E14 | Duplication of main unit in group control. | Check the indoor unit combination. |
| E15 | The total capacity of indoor units are too low/high. | Check the inter-unit wiring. Check the indoor and outdoor unit control PCB. |
| E16 | The number of indoor units is two or more. No indoor unit connected. | Check the inter-unit wiring. Check the indoor and outdoor unit control PCB. |
| E20 | Outdoor unit communication error. | Check the outdoor unit control PCB. |
| E24 | Outdoor unit communication error. | Check the outdoor unit control PCB. |
| E29 | Compressor discharge temperature sensor (TD) trouble. | Check the compressor discharge temperature sensor (TD). Check the outdoor unit control PCB. |
| F04 | Outdoor heat exchanger temperature sensor (C1) trouble. | Check the outdoor unit heat exchanger temperature sensor (C1). Check the outdoor unit control PCB. |
| F06 | Outdoor heat exchanger temperature sensor (C1) trouble. | Check the outdoor unit heat exchanger temperature sensor (C1). Check the outdoor unit control PCB. |
| F07 | Outdoor heat exchanger temperature sensor (C2) trouble. | Check the outdoor unit heat exchanger temperature sensor (C2). Check the outdoor unit control PCB. |
| F08 | Outdoor air temperature sensor (TO) trouble. | Check the outdoor air temperature sensor (TO). Check the outdoor unit control PCB. |
| F10 | Compressor suction temperature sensor (TS) trouble. | Check the compressor suction temperature sensor (TS). Check the outdoor unit control PCB. |
| F12 | Outdoor unit EEPROM trouble. | Check the outdoor unit EEPROM. Check the outdoor unit control PCB. |
| F29 | Outdoor unit EEPROM trouble. | Check the outdoor unit EEPROM. Check the outdoor unit control PCB. |
| F31 | Outdoor unit EEPROM trouble. | Check the outdoor unit EEPROM. Check the outdoor unit control PCB. |
| H01 | Primary (input) overcurrent detected. | Check the refrigerant cycle (abnormal overload operation). Check the outdoor unit control PCB. |
| H02 | PAM trouble. Primary current CT sensor failure. | Check the outdoor unit control PCB. Check the power supply. |
| H03 | HIC trouble. DC voltage not detected. | Check the HIC. Compressor locked. Check the power supply. |
| H31 | HIC trouble. DC voltage not detected. | Check the HIC. Compressor locked. Check the power supply. |
| L04 | Duplication of outdoor unit address. Outdoor unit capacity is not set or setting error. | Check the inter-unit control wiring. Replace the outdoor unit EEPROM. Capacity value re-setting. |
| L10 | Indoor unit type setting error. Type of indoor/outdoor units is different. | Check the outdoor unit control PCB. Check the type of IU and OU, and re-set address. |
| L13 | 4-way valve locked trouble / operation failure. | Check the 4-way valve. Check the 4-way valve wiring. |
| L18 | 4-way valve locked trouble / operation failure. | Check the 4-way valve. Check the 4-way valve wiring. Check the outdoor unit control PCB. |
| P03 | Compressor discharge temperature trouble. | Check the discharge temperature sensor (TD). Check the outdoor unit control PCB. |
| P04 | Compressor discharge pressure trouble. | Check the refrigerant cycle (gas leak). Trouble with the electronic expansion valve. Valve blockage. Heat exchanger obstruction. |
| P05 | Open phase detected. AC power supply trouble. | Check the power supply. Check the reactor wiring. Check the outdoor unit control PCB. Check the compressor wiring. |
| P13 | Valve error. Refrigerant circuit error. Wrong installation for refrigerant piping and wiring. O2 sensor detected. | Valve blockage. Check the refrigerant circuit. Check the refrigerant piping and wiring installation. Input from the O2 sensor. |
| P14 | Insufficient gas level detected. | Check the refrigerant cycle (gas leak). Trouble with the electronic expansion valve. Valve (or refrigerant circuit) blockage. |
| P15 | Compressor overcurrent trouble. | Layer short on the compressor. Compressor locked. |
| P16 | Outdoor unit fan motor trouble. Outdoor unit fan trouble. | Check the outdoor unit control PCB. Check the outdoor unit fan motor. Check the outdoor unit control PCB. |
| P22 | Inverter compressor trouble. | Check the outdoor unit control PCB. Check the inverter compressor wiring (Open phase/ Reverse phase). Compressor actuation failure (include lock). Valve (or refrigerant circuit) blockage. |
| P29 | Inverter compressor trouble. | Check the outdoor unit control PCB. Check the inverter compressor wiring (Open phase/ Reverse phase). Compressor actuation failure (include lock). Valve (or refrigerant circuit) blockage. |
| P31 | Indoor unit in group control trouble. | Repair indoor unit which blinking alarm. |