Brand: DAIKIN
Category: Air Conditioning
Document Type: Installation Guide
Language: EN
Installation Guide for R-32 Series
Uploaded: Nov. 21, 2025, 9:23 p.m.
Warranty Information
Warranty information is not explicitly detailed in this installation manual.
Instructions for installing the DAIKIN DUCTED SYSTEM R-32 Series Air Conditioners. This manual covers safety considerations, site selection, preparation, indoor unit installation, refrigerant piping, drain piping, electrical wiring, field settings, and troubleshooting. It emphasizes the use of qualified personnel for installation and adherence to safety precautions to prevent injury and equipment damage. Specific sections detail wiring examples, field setting adjustments for fan speed and other parameters, and control by multiple remote controllers. It also includes a comprehensive error code list for diagnosing system issues.
Troubleshooting and error codes
| Contents Code | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | H | C | J | E | F | A | C | J | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Section Code | INDOOR | OUTDOOR | SYSTEM | ||||||||||||||||||||
| Malfunction of Fan interlock protection PCB | EEPROM on indoor unit PCB | Malfunction of indoor fan driver PCB | Failure of transmission between indoor unit PCB and fan driver | Faulty drain water level | Abnormal drain water level or plug missing | Abnormal heat exchanger (1) temp. | Abnormal heat exchanger (2) temp. | Malfunction of Air direction adjust motor | Malfunction of fan motor lock | Faulty electronic power supply or AC input overcurrent | Faulty or dirty air cleaner | Insufficient water capacity setting | Drain level above limit | Faulty heat exchanger temp. sensor system (R2T) | Faulty gas pipe temp. sensor system (R3T) | Malfunction of Air direction sensor | Faulty AC input sensor or over temperature. | Faulty air suction temp. sensor system (R1T) | Faulty air suction temp. sensor system | Faulty humidity sensor system | Faulty temp. sensor (remote controller) | Faulty radiation sensor system | Faulty high pressure switch |
| Activation of safety device (general) | Faulty PCB outdoor | Abnormal high pressure (HPS) | Abnormal low pressure (LPS) | Compressor motor overload | Compressor motor over-current lock | Out door fan motor overload | Pump over-current lock | Abnormal water temp. | Activation of field added safety device | Faulty drain water level system | Faulty heat storage unit sensor system | Faulty air temp. sensor system | Faulty power supply sensor system | Faulty high pressure switch | Faulty low pressure switch | ||||||||
| Activation of common safety device for system No. 1 | Activation of safety device for system No. 1 & No. 2 | Activation of safety device for Compressor motor faulty | Faulty discharge pipe temp. sensor system | Faulty suction pressure sensor system | Faulty oil pressure sensor system | Faulty surface oil level sensor system | Faulty discharge pipe temp. sensor system (R4T) | Faulty receiver outlet liquid pipe sensor (R7T) | Faulty liquid pipe temp. sensor system | Faulty subcooler heat exchanger system | Faulty discharge pressure sensor system | Faulty oil temp. sensor system | Faulty INV system | Faulty PCB | Abnormal temp. rise inside control box | ||||||||
| Gas shortage | High voltage of capacitor in inverter circuit or control box | Faulty temp. rise sensor inside fin (power transistor) | Faulty radiation power sensor system | Faulty DC current sensor system | Faulty AC or DC output current sensor system | Air conditioner (multi) general input over-current | Inverter current error | Inverter start-up error | Faulty power transistor | Faulty transmission between INV and control PCB | Faulty capacity setting | Faulty central control address setting (Address duplications) | Faulty transmission to/from remote controllers (main & sub) | Faulty transmission between indoor peripheral equipment (air controller equipment, etc) | Wiring and piping mismatch | Improper combination of indoor & outdoor, indoor & remote control | Indoor/outdoor unit address not entered | Faulty transmission between indoor units (main & sub) | Faulty transmission between outdoor units | Faulty transmission between indoor and outdoor units | Faulty transmission between indoor unit and remote controller | Faulty transmission between outdoor units | Faulty transmission to/from remote controllers (main & sub) |