Daikin EKHBRD 016 V1 User Manual (English)

Brand	Daikin
Model	EKHBRD 016 V1
Category	Air Conditioner
Language	English

Provides essential safety cautions and warnings for handling the equipment.

Cautions Regarding Products after Repair

Lists important cautions to follow after completing repair work on the product.

Inspection after Repair

Indoor Unit

Refrigerant Circuit

PCB Layout for EKHBRD 011/014/016 AA/AB/AC V1/Y1

Control - PCB - A3P

Inverter PCB - A4P

Filter PCB - A6P

QA PCB - A5P

Inverter Control PCB - Three Phase - A4P

Inverter PCB - Three Phase - A5P

Electronic Expansion Valve PI Control R-410A circuit

Protection Control

High Pressure Protection Control

Details control to prevent devices activation due to high pressure and protect compressors.

Low Pressure Protection Control

Explains control to protect compressors against transient decrease of low pressure.

Discharge Pipe Protection Control

Explains control to protect compressor internal temperature against discharge pipe temperature.

Inverter Protection Control

Details inverter current and fin temperature control to prevent tripping.

Simultaneous demand of space heating and domestic water heating

Test Operation

Procedure and Outline

Check Work Prior to Turn Power Supply On

Air Tight Test and Vacuum Drying

Vacuum leak test

Additional Refrigerant Charge

Precautions when recharging/adding R-410A & recharging R-134a

Important information regarding the refrigerant used

Procedures for adding refrigerant

Check Operation

Outdoor Unit PC Board Layout

Field Setting

Field Setting from remote control

Wired remote control

Setting Contents and Code No. – EKHBRD – Indoor unit

Part 7 - Troubleshooting

Symptom-based Troubleshooting

Troubleshooting by Indication on the Remote Controller

Provides troubleshooting based on error codes displayed on the remote controller.

Symptom-based Troubleshooting

Troubleshooting by Remote Control

Self-diagnosis by Wired Remote Control

Operation of the Remote Controller’s Inspection / Test Operation Button

Remote Control Service Mode

Remote Controller Self-Diagnosis Function

Troubleshooting by Indication on the Remote Controller

Malfunction code

Lists malfunction codes, their operation lamp status, and corresponding pages for details.

Malfunction code indication by outdoor unit PC board

“A1 ” Indoor Unit: PC Board Defect

Troubleshooting steps for an indoor unit PC board defect (A1 code).

“A6 ” Indoor Unit: Pump Error (M1P) or Other Water System Error

Troubleshooting for pump errors or water system issues (A6 code).

“A9 ” Indoor Unit: Malfunction of Moving Part of Electronic Expansion Valve (K1E) R-410A circuit

Troubleshooting for EEV malfunction in R-410A circuit (A9 code).

“AE” Indoor Unit: Water Circuit Error

Troubleshooting steps for water circuit errors in the indoor unit (AE code).

“AJ ” Indoor Unit: Malfunction of Capacity Determination Device

Troubleshooting for capacity determination device malfunction (AJ code).

“C1” Indoor Unit: Failure of Transmission (Between Indoor unit PC Board and Control PC Board)

Troubleshooting for transmission failure between indoor and control PC boards (C1 code).

“C4” Indoor Unit: Malfunction of Thermistor (R3T) Liquid Thermistor R-410A

Troubleshooting for R3T thermistor malfunction in R-410A liquid circuit (C4 code).

“C5 ” Indoor Unit: Malfunction of Tank Thermistor (R2T)

Troubleshooting for tank thermistor (R2T) malfunction (C5 code).

“C9 ” Indoor Unit: Return Water Thermistor (R4T)

Troubleshooting for return water thermistor (R4T) malfunction (C9 code).

“CA ” Indoor Unit: Leaving Water Thermistor Error (R5T)

Troubleshooting for leaving water thermistor error (R5T) (CA code).

“CJ ” Indoor Unit: Malfunction of Thermostat Sensor in Remote Controller

Troubleshooting for thermostat sensor malfunction in remote controller (CJ code).

“E1 ” Outdoor Unit: PC Board Defect

Troubleshooting for outdoor unit PC board defect (E1 code).

“E1 ” Indoor Unit: PC Board Defect

Troubleshooting for indoor unit PC board defect (E1 code).

“E3 ” Outdoor Unit: Actuation of High Pressure Switch

Troubleshooting for high pressure switch actuation (E3 code).

“E3 ” Indoor Unit: Actuation of High Pressure Switch

Troubleshooting for high pressure switch actuation (E3 code).

“E4 ” Outdoor Unit: Actuation of Low Pressure Sensor

Troubleshooting for low pressure sensor actuation (E4 code).

“E4 ” Indoor Unit: Actuation of Low Pressure Sensor

Troubleshooting for low pressure sensor actuation (E4 code).

“E5 ” Outdoor Unit: Inverter Compressor Motor Lock

Troubleshooting for inverter compressor motor lock (E5 code).

“E5 ” Indoor Unit: Inverter Compressor Motor Lock

Troubleshooting for inverter compressor motor lock (E5 code).

“E7 ” Malfunction of Outdoor Unit Fan Motor

Troubleshooting for outdoor unit fan motor malfunction (E7 code).

“E9” Outdoor Unit: Malfunction of Moving Part of Electronic Expansion Valve

Troubleshooting for electronic expansion valve malfunction (E9 code).

“E9” Indoor Unit: Malfunction of Moving Part of Electronic Expansion Valve (K2E) R-134a circuit

Troubleshooting for EEV malfunction in R-134a circuit (E9 code).

“F3” Outdoor Unit: Abnormal Discharge Pipe Temperature

Troubleshooting for abnormal discharge pipe temperature (F3 code).

“F3” Indoor Unit: Abnormal Discharge Pipe Temperature

Troubleshooting for abnormal discharge pipe temperature (F3 code).

“H9” Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air

Troubleshooting for outdoor air thermistor malfunction (H9 code).

“J3” Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R2T)

Troubleshooting for discharge pipe thermistor (R2T) malfunction (J3 code).

“J3” Indoor Unit: Malfunction of Discharge Pipe Thermistor (R6T)

Troubleshooting for discharge pipe thermistor (R6T) malfunction (J3 code).

“J5” Outdoor Unit: Malfunction of Thermistor (R3T, R5T) for Suction Pipe 1, 2

Troubleshooting for suction pipe thermistor (R3T, R5T) malfunction (J5 code).

“J5 ” Indoor Unit: Malfunction of Thermistor (R7T) for Liquid R-134a

Troubleshooting for liquid pipe thermistor (R7T) malfunction (J5 code).

“J6” Outdoor Unit: Malfunction of Thermistor (R6T) for Outdoor Unit Heat Exchanger

Troubleshooting for heat exchanger thermistor (R6T) malfunction (J6 code).

“J7” Outdoor Unit: Malfunction of Thermistor (R7T) for Outdoor Unit Liquid Pipe

Troubleshooting for outdoor unit liquid pipe thermistor (R7T) malfunction (J7 code).

“J9” Outdoor Unit: Malfunction of Thermistor (R4T) for Subcooling Heat Exchanger Gas Pipe

Troubleshooting for subcooling heat exchanger gas pipe thermistor (R4T) malfunction (J9 code).

“JA” Outdoor Unit: Malfunction of High Pressure Sensor

Troubleshooting for outdoor unit high pressure sensor malfunction (JA code).

“JA ” Indoor Unit: Malfunction of High Pressure Sensor

Troubleshooting for indoor unit high pressure sensor malfunction (JA code).

“JC ” Outdoor Unit: Malfunction of Low Pressure Sensor

Troubleshooting for outdoor unit low pressure sensor malfunction (JC code).

“JC ” Indoor Unit: Malfunction of Low Pressure Sensor

Troubleshooting for indoor unit low pressure sensor malfunction (JC code).

“L1 ” Outdoor Unit: Malfunction of PC Board

Troubleshooting for outdoor unit PC board malfunction (L1 code).

“L1 ” Indoor Unit: Malfunction of PC Board

Troubleshooting for indoor unit PC board malfunction (L1 code).

“L4 ” Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise

Troubleshooting for inverter radiating fin temperature rise (L4 code).

“L4 ” Indoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise (R8T)

Troubleshooting for inverter radiating fin temperature rise (L4 code).

“L5 ” Outdoor Unit: Inverter Compressor Abnormal - R-410A

Troubleshooting for outdoor unit inverter compressor abnormality (L5 code).

“L5 ” Indoor Unit: Inverter Compressor Abnormal - R-134a

Troubleshooting for indoor unit inverter compressor abnormality (L5 code).

“L8 ” Outdoor Unit: Inverter Current Abnormal

Troubleshooting for outdoor unit inverter current abnormality (L8 code).

“L8 ” Indoor Unit: Inverter Current Abnormal

Troubleshooting for indoor unit inverter current abnormality (L8 code).

“L9 ” Outdoor Unit: Inverter Start up Error

Troubleshooting for outdoor unit inverter startup error (L9 code).

“L9 ” Indoor Unit: Inverter Start up Error

Troubleshooting for indoor unit inverter startup error (L9 code).

“LC ” Outdoor Unit: Malfunction of Transmission between Inverter and Control PC Board

Troubleshooting for transmission malfunction between inverter and control PC boards (LC code).

“LC ” Indoor Unit: Malfunction of Transmission between Inverter and Control PC Board

Troubleshooting for transmission malfunction between inverter and control PC boards (LC code).

“LH ” Indoor Unit: Converter Error

Troubleshooting for indoor unit converter error (LH code).

“P1” Outdoor Unit: High Voltage of Capacitor in Main Inverter Circuit

Troubleshooting for high voltage in main inverter circuit capacitor (P1 code).

“P1 ” Indoor Unit: High Voltage of Capacitor in Main Inverter Circuit

Troubleshooting for high voltage in main inverter circuit capacitor (P1 code).

“PJ” Indoor Unit: Faulty Combination of PCB

Troubleshooting for faulty PCB combination (PJ code).

“U0 ” Low Pressure Drop Due to Refrigerant Shortage or Electronic Expansion Valve Failure

Troubleshooting for low pressure drop due to refrigerant shortage or EEV failure (U0 code).

“U2 ” Power Supply Insufficient or Instantaneous Failure

Troubleshooting for power supply insufficient or instantaneous failure (U2 code).

“U4” Malfunction of Transmission between Indoor Unit and Outdoor Unit

Troubleshooting for transmission malfunction between indoor and outdoor units (U4 code).

“U4 ” Malfunction of Transmission Indoor Unit

Troubleshooting for indoor unit transmission malfunction (U4 code).

“U5 ” Malfunction of Transmission between Remote Control and Indoor Unit

Troubleshooting for transmission malfunction between remote and indoor units (U5 code).

“U7 ” Indoor Unit: Malfunction of Transmission Outdoor Unit

Troubleshooting for outdoor unit transmission malfunction (U7 code).

“U8 ” Malfunction of Transmission between Main and Sub Remote Controls

Troubleshooting for transmission malfunction between main and sub remote controls (U8 code).

Daikin EKHBRD 016 V1 User Manual

Table of Contents

Daikin EKHBRD 016 V1 Specifications

Summary

Part 6 - Test Operation

Introduction

Safety Cautions