Daikin ATXP20-35L Manuals

Manuals and User Guides for Daikin ATXP20-35L. We have 1 Daikin ATXP20-35L manual available for free PDF download: Service Manual

Daikin ATXP20-35L Service Manual (192 pages)

Brand: Daikin | Category: Air Conditioner | Size: 42.34 MB

Table of Contents
4
Safety Precautions
6
Meaning of Warnings and Symbols
6
Dangers
7
Warnings
7
Cautions
13
Notices
13
Troubleshooting
14
To Display the Error Code on the User Interface
14
To Reset the Error Code Via Remote Controller
14
To Reset the Error Code Via Outdoor Unit
14
To Perform a Test Run
14
To Perform a Test Run in Winter Season
15
Error Based Troubleshooting
15
A1-00 - PCB Abnormality
15
A5-00 - Outdoor Unit: High Pressure Peak Cut / Freeze Protection Problem
16
A6-00 - Indoor Unit Fan Motor Abnormality
17
C4-00 - Heat Exchanger Temperature Sensor Problem
17
C9-00 - Room Thermistor Abnormality
18
E1-00 - Outdoor Unit: PCB Defect
18
E3-00 - Outdoor Unit: Actuation of High Pressure Switch
19
E5-00 - Outdoor Unit: Overheat of Inverter Compressor Motor
20
E6-00 - Outdoor Unit: Compressor Startup Defect
21
E7-00 - Outdoor Unit: Malfunction of Outdoor Unit Fan Motor
22
E8-00 - Outdoor Unit: Power Input Overvoltage
22
Outdoor Unit: Cool/Heat Switchover Problem
23
F3-00 - Outdoor Unit: Malfunction of Discharge Pipe Temperature
24
F6-00 - Outdoor Unit: Abnormal High Pressure in Cooling
25
F8-00 - System Shutdown Due to Compressor Internal Temperature Abnormality
26
H0-00 - Outdoor Unit: Voltage/Current Sensor Problem
26
H3-00 - Outdoor Unit: Malfunction of High Pressure Switch
27
H6-00 - Outdoor Unit: Malfunction of Position Detection Sensor
28
H8-00 - Outdoor Unit: Malfunction of Compressor Input System
29
H9-00 - Outdoor Unit: Malfunction of Outdoor Air Thermistor
29
J3-00 - Outdoor Unit: Malfunction of Discharge Pipe Thermistor
30
J6-00 - Outdoor Unit: Malfunction of Heat Exchanger Thermistor
30
L3-00 - Outdoor Unit: Electrical Box Temperature Rise Problem
30
L4-00 - Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise
31
L5-00 - Outdoor Unit: Inverter Instantaneous Overcurrent
32
P4-00 - Outdoor Unit: Malfunction of Radiating Fin Temperature Sensor
33
U0-00 - Outdoor Unit: Shortage of Refrigerant
33
U2-00 - Outdoor Unit: Defect of Power Supply Voltage
34
U4-00 - Indoor/Outdoor Unit Communication Problem
35
Indoor Unit, Outdoor Unit Mismatching Problem
36
Symptom Based Troubleshooting
38
Operation Does Not Start
38
Operation Sometimes Stops
38
Operation Starts but the Unit Does Not Cool/Heat
39
Operating Noise and Vibrations
40
Abnormal High Pressure
41
Abnormal Low Pressure
42
Indoor Fan Starts Operating but the Compressor Does Not Operate
43
Operation Starts and the Unit Stops Immediately
44
Operation Stops, Unit Cannot Start for a While
44
Unit Discharges White Mist
45
Swing Flap Does Not Operate
45
Components
46
4-Way Valve
46
Checking Procedures
46
Repair Procedures
49
Compressor
52
Checking Procedures
52
Repair Procedures
58
Expansion Valve
63
Checking Procedures
63
Repair Procedures
67
High Pressure Switch
72
Checking Procedures
72
Repair Procedures
74
Indoor Unit Fan Motor
75
Checking Procedures
75
Repair Procedures
77
Indoor Unit Main PCB
78
Checking Procedures
78
Repair Procedures
81
Main PCB
84
Checking Procedures
84
Repair Procedures
96
Outdoor Unit Fan Motor
100
Class 20~35 Units
100
Class 50~71 Units
106
Plate Work
111
Outdoor Unit
111
Indoor Unit
117
Reactor
122
Checking Procedures
122
Repair Procedures
123
Swing Flap Motor
124
Checking Procedures
124
Repair Procedures
125
Swing Raster Motor
126
Checking Procedures
126
Repair Procedures
127
Thermistors
129
Refrigerant Side Thermistors
129
Other Thermistors
136
Wifi Control PCB
138
Checking Procedures
138
Repair Procedures
139
Third Party Components
142
Electrical Circuit
142
Checking Procedures
142
Repair Procedures
143
Refrigerant Circuit
144
Checking Procedures
144
Repair Procedures
148
External Factors
152
Checking Procedures
152
Maintenance
154
To Clean the Outdoor Unit Heat Exchanger
154
To Clean the Indoor Unit Heat Exchanger
154
To Clean the Indoor Unit Heat Exchanger in Extreme Condition
155
To Clean the Air Filters
155
Technical Data
158
Detailed Information Setting Mode
158
Detailed Information Setting Mode: Indoor Unit
158
Detailed Information Setting Mode: Outdoor Unit
158
Detailed Information Setting Mode: Remote Controller
158
Wiring Diagram
159
Wiring Diagram: Indoor Unit
159
Wiring Diagram: Outdoor Unit
165
Piping Diagram
170
Piping Diagram: Indoor Unit
170
Piping Diagram: Outdoor Unit
174
Component Overview
180
Component Overview: Indoor Unit
180
Component Overview: Outdoor Unit
182
Field Information Report
183
Service Tools
186
Field Settings
187
Field Settings: Indoor Unit
187
Field Settings: Outdoor Unit
189

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