Daikin ERRQ 016AAY1 User Manual

ESIE09-08
Service Manual
Daikin ALTHERMA HT
ERSQ 011/014/016 AAV1, AAY1
ERRQ 011/014/016 AAV1, AAY1
EKHBRD 011/014/016 AAV1, AAY1
R-410A, R-134a
EKHTS 200/260 A
EKHTSU 200/260 A

Daikin ERRQ 016AAY1 Specifications

General

Category	Heat Pump
Model	ERRQ 016AAY1
Refrigerant	R410A
Power Supply	220-240 V, 50 Hz
Operating Temperature Range (Cooling)	46 °C
Operating Temperature Range (Heating)	-15 to 20 °C
Dimensions (Outdoor Unit)	320 mm

Summary

Part 3 - Refrigerant Circuit & Functional Parts

Part 4 - Electrical Circuit

Part 5 - Function

4. Protection Control

Part 6 - Test Operation

3. Field Setting

Part 7 - Troubleshooting

1. Symptom-based Troubleshooting

Provides a table correlating system symptoms with supposed causes and countermeasures for quick diagnosis.

3. Troubleshooting by Indication on the Remote Controller

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

3.1 “A1” Indoor Unit: PC Board Defect

Guides troubleshooting for "A1" error code indicating a potential indoor unit PC board defect.

3.13 “E3” Outdoor Unit: Actuation of High Pressure Switch

Explains troubleshooting for "E3" error code related to the outdoor unit's high-pressure switch.

3.15 “E4” Outdoor Unit: Actuation of Low Pressure Sensor

Guides troubleshooting for "E4" error code concerning the outdoor unit's low-pressure sensor.

3.22 “F3” Outdoor Unit: Abnormal Discharge Pipe Temperature

Details troubleshooting for "F3" error code related to abnormal discharge pipe temperature.

3.36 “L1” Outdoor Unit: Malfunction of PC Board

Guides troubleshooting for "L1" error code related to outdoor unit PC board malfunction.

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

Provides troubleshooting for "U4" error code indicating transmission issues between indoor and outdoor units.

Part 9 - Precautions for New Refrigerant (R-410A)