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RYYQ12U
Daikin RYYQ12U Manuals
Manuals and User Guides for Daikin RYYQ12U. We have
1
Daikin RYYQ12U manual available for free PDF download: Service Manual
Daikin RYYQ12U Service Manual (404 pages)
Brand:
Daikin
| Category:
Heat Pump
| Size: 87 MB
Table of Contents
Version Log
3
Table of Contents
4
General Operation
9
Troubleshooting
12
To Access Push Buttons and 7-Segment Display
12
To Retrieve Error Codes and Check Error History
12
Via Service Monitoring Tool
12
Via the Indoor Unit Remote Controller BRC1H
13
Via the Outdoor Unit
14
Via the Wired Remote Control BRC1E
15
Via the Wireless Controller BRC4/7
17
Via the Wired Remote Control BRC1D
18
Error Based Troubleshooting
20
E1-01 - Outdoor Unit Main PCB A1P Error
20
E1-02 - Outdoor Unit Main PCB A1P Error
20
E2-01-02-03 - Current Leak Detection
21
E2-06-07-08 - Open Circuit on Earth Leakage Detection Core
22
E3-01-03-05 - Actuation of High Pressure Switch
22
E3-02-04-06 - High Pressure Error
24
E3-07 - High Pressure Switch Reset Error
25
E3-13-14-15 - Liquid Stop Valve Check Error
26
E3-18 - Actuation of High Pressure Switch During Test Run
27
E3-20-21-22 - Jumper Open on Main PCB
28
E4-01-02-03 - Low Pressure Error
28
E5-01-02-03 - Compressor Overload/Motor Lock Error (M1C)
30
E5-07-08-09 - Compressor Overload/Motor Lock Error (M2C)
31
E6-17-19-21 - Inverter Overcurrent Error
32
E6-18-20-22 - Inverter Overcurrent Error
34
E7-01-13-25 - Outdoor Unit Fan Motor M1F Error
35
E7-02-14-26 - Outdoor Unit Fan Motor M2F Error
36
E7-05-17-29 - Outdoor Unit Fan Motor M1F Overcurrent Error
36
E7-06-18-30 - Outdoor Unit Fan Motor M2F Overcurrent Error
37
E7-09-21-33 - Fan Inverter PCB A4P (Integrated Power Module) Overheated
38
E7-10-22-34 - Fan Inverter PCB A7P (Integrated Power Module) Overheated
39
E9-01-05-08 - Electronic Expansion Valve Y1E Malfunction
40
E9-03-06-09 - Electronic Expansion Valve Y2E Malfunction
41
E9-04-07-10 - Electronic Expansion Valve Y3E Abnormality
42
E9-20-21-22 - Electronic Expansion Valve (Y1E) Failure
43
E9-23-24-25 - Electronic Expansion Valve (Y2E) Failure
44
E9-26-27-28 - Electronic Expansion Valve (Y4E) Malfunction
45
E9-48-49-50 - Electronic Expansion Valve Overcurrent Error
47
E9-51-52-53 - Electronic Expansion Valve Thermal Cutting Error
48
E9-54-55-56 - Electronic Expansion Valve Defective Circuit
49
F3-01-03-05 - Compressor Discharge Temperature too High
50
F3-20-21-22 - Compressor Body Temperature too High
51
F4-01 - Wet Operation Caution
52
F6-02 - Refrigerant Overcharge Detection During Test-Run
54
H3-02-04-06 - Transmission Error between Main PCB A1P and Inverter PCB A3P
55
H3-03-05-07 - Transmission Error on Inverter PCB A6P
56
H7-01-05-09 - Defective Fan Inverter PCB A4P
57
H7-02-06-10 - Defective Fan Inverter PCB A7P
57
H7-21-23-25 - Defective Fan Inverter PCB A4P
58
H7-22-24-26 - Defective Fan Inverter PCB A7P
59
H9-01-02-03 - Ambient Temperature Thermistor R1T Abnormality
59
Defrost Fail Alarm
60
J3-16-22-28 - Discharge Thermistor R21T Open Circuit
61
J3-17-23-29 - Discharge Thermistor R21T Short Circuit
62
J3-18-24-30 - Discharge Thermistor R22T Open Circuit
62
J3-19-25-31 - Discharge Thermistor R22T Short Circuit
63
J3-38-42-44 - Compressor Body Thermistor R9T Open Circuit
64
J3-39-43-45 - Compressor Body Thermistor R9T Short Circuit
65
J3-47-49-51 - Compressor Body Thermistor R8T Open Circuit
65
J3-48-50-52 - Compressor Body Thermistor R8T Short Circuit
66
J3-56-57-58 - High Discharge Temperature
67
J3-59-60-61 - Discharge Thermistor Crosswired
68
J5-01-03-05 - Compressor Suction Thermistor R3T Malfunction
68
J6-01-02-03 - De-Icer Thermistor R7T Abnormality
69
J7-06-07-08 - Liquid Thermistor R5T Abnormality
70
J8-01-02-03 - Outdoor Heat Exchanger Thermistor R4T Abnormality
71
J9-01-02-03 - Gas Thermistor R6T Abnormality
71
JA-06-08-10 - High Pressure Sensor S1NPH Abnormality
72
JA-07-09-11 - High Pressure Sensor S1NPH Malfunction
73
JC-06-08-10 - Low Pressure Sensor S1NPL Abnormality
74
JC-07-09-11 - Low Pressure Sensor S1NPL Malfunction
74
L1-01-07-11 - Inverter PCB A3P Abnormality
75
L1-02-08-12 - Inverter PCB A3P Current Detection Primary Circuit
76
L1-03-09-13 - Inverter PCB A3P Current Detection Secondary Circuit
77
L1-04-10-14 - Power Transistor Error on Inverter PCB A3P
78
L1-05-15-16 - Inverter PCB A3P Hardware Fault
79
L1-17-22-42 - Inverter PCB A6P Abnormality
80
L1-18-23-43 - Inverter PCB A6P Current Detection Primary Circuit
81
L1-19-24-44 - Inverter PCB A6P Current Detection Secondary Circuit
82
L1-20-25-45 - Power Transistor Error on Inverter PCB A6P
83
L1-21-26-46 - Inverter PCB A6P Hardware Fault
84
L1-28-32-34 - Fan Inverter PCB A4P Eeprom Error
85
L1-29-33-35 - Fan Inverter PCB A7P Eeprom Error
85
L1-36-38-40 - Inverter PCB A3P Eeprom Error
86
L1-37-39-41 - Inverter PCB A6P Eeprom Error
87
L1-47-49-51 - Inverter PCB A3P 16 V DC Abnormal
87
L1-48-50-52 - Inverter PCB A6P 16 V DC Abnormal
88
L2-01-02-03 - Power Supply Abnormality During Test Run
89
L2-04-05-06 - Power Supply Abnormality During Normal Operation
90
L4-01-02-03 - Inverter PCB A3P High Fin Temperature
91
L4-06-18-20 - Fan Inverter PCB A4P High Fin Temperature
92
L4-07-19-21 - Fan Inverter PCB A7P High Fin Temperature
93
L4-09-10-11 - Inverter PCB A6P High Fin Temperature
95
L5-03-05-07 - Output Overcurrent Detection on Inverter PCB A3P
96
L5-14-15-16 - Output Overcurrent Detection on Inverter PCB A6P
97
L8-03-06-07 - Overcurrent on Inverter PCB A3P Except Start-Up
98
L8-11-12-13 - Overcurrent on Inverter PCB A6P Except Start-Up
99
L9-01-05-06 - Stall Prevention by Inverter PCB A3P
100
L9-10-11-12 - Stall Prevention by Inverter PCB A6P
101
L9-13-14-15 - Inverter PCB A3P Output Phase Abnormality
102
L9-16-17-18 - Inverter PCB A6P Output Phase Abnormality
103
Transmission Abnormality
103
LC-14-15-16 - Transmission Abnormality Main Pcb/Inverter PCB A3P
104
LC-19-20-21 - Transmission Abnormality Main Pcb/Fan Inverter PCB A4P
105
LC-24-25-26 - Transmission Abnormality Main Pcb/Fan Inverter PCB A7P
106
LC-30-31-32 - Transmission Abnormality Main Pcb/Inverter PCB A6P
107
P1-01-02-03 - Open Phase or Unbalanced Power Supply Detection by Inverter PCB A3P
108
P1-07-08-09 - Open Phase or Unbalanced Power Supply Detection by Inverter PCB A6P
109
P2-00 - Refrigerant Auto-Charge Interrupted
110
P4-01-04-05 - Fin Thermistor Abnormality on Inverter PCB A3P
110
P4-02-15-17 - Fin Thermistor Abnormality on Fan Inverter PCB A4P
111
P4-03-16-18 - Fin Thermistor Abnormality on Fan Inverter PCB A7P
112
P4-06-07-08 - Fin Thermistor Abnormality on Inverter PCB A6P
113
P8-00 - Freeze-Up During Refrigerant Auto-Charge
114
P9-00 - Refrigerant Auto-Charge Finished Normally
115
No Refrigerant in Refrigerant Cylinder During Auto-Charge
115
Refrigerant Auto-Charge in Last Stage
115
Long Test Run Failed
116
PJ-04-05-06 - Capacity Setting Mismatch for Inverter PCB A3P
116
PJ-09-15-16 - Capacity Setting Mismatch for Fan Inverter PCB A4P
117
PJ-10-17-18 - Capacity Setting Mismatch for Fan Inverter PCB A7P
118
PJ-12-13-14 - Capacity Setting Mismatch for Inverter PCB A6P
119
U0-05 - Refrigerant Shortage Detection
119
U0-06 - Refrigerant Shortage Detection
120
U0-08-09-10 - Refrigerant Shortage Detection by High Pressure Sensor
121
U1-01-05-07 - Reverse Phase Detection
122
U1-04-06-08 - Reverse Phase Detection
123
U2-01-08-11 - Inverter Circuit Power Supply Abnormality - Inverter PCB A3P Abnormal Voltage
124
U2-02-09-12 - Inverter Circuit Power Supply Abnormality - Inverter PCB A3P Phase Loss
125
U2-03-10-13 - Inverter Circuit Power Supply Abnormality - Inverter PCB A3P DC Circuit Not Charging
127
U2-22-25-28 - Inverter Circuit Power Supply Abnormality - Inverter PCB A6P Abnormal Voltage
128
U2-23-26-29 - Inverter Circuit Power Supply Abnormality - Inverter PCB A6P Phase Loss
129
U2-24-27-30 - Inverter Circuit Power Supply Abnormality - Inverter PCB A6P DC Circuit Not Charging
130
U3-02 - Test Run Interrupted Manually
131
U3-03 - Test Run Not Performed yet
131
U3-04 - Test Run Ended Abnormally
132
U3-05 - Test Run Aborted on Initial Transmission
133
U3-06 - Test Run Aborted on Normal Transmission
133
U3-07 - Transmission Abnormality on Test Run
134
U3-08 - Transmission Abnormality on Test Run
135
U4-01 - Transmission Error between Indoor Units and Outdoor Unit
135
U4-03 - Transmission Error between Indoor Units and System
136
U4-15 - Unable to Start Test Run
137
U7-01 - Transmission Abnormality between Systems - DTA104A61,62 Error
138
U7-02 - Transmission Abnormality between Systems - DTA104A61,62 Error
139
U7-03 - Transmission Abnormality between Main Outdoor Unit and Sub 1 Outdoor Unit
139
U7-04 - Transmission Abnormality between Main Outdoor Unit and Sub 2 Outdoor Unit
140
U7-05 - Multi System Abnormality
141
U7-06 - Multi System Address Abnormality
141
U7-07 - more than 3 Outdoor Units on Q1-Q2 Transmission
142
U7-11 - Excess Indoor Units Detected on Test Run
142
U7-24 - Duplication of Address Setting on Multiple DTA104A61,62 Installation
143
U9-01 - Other Indoor Unit Has Error
143
Combination Abnormality
144
Combination Abnormality - MIX of R22, R407C, R410A and R32 Type Units Detected
145
Combination Abnormality - more than 64 Indoor Units Detected on same System
145
Combination Abnormality - Local Setting Abnormality
145
Combination Abnormality - Outdoor Unit Not Compatible with Indoor Units (Refrigerant Type)
146
Combination Abnormality - Local Set Alarm
146
Combination Abnormality - Non-Compatible Outdoor Unit in Multi-Combination
147
Combination Abnormality - BPMK Units Detected
147
Combination Abnormality - Multi Combination Abnormality
148
Combination Abnormality - Altherma Hydro Unit Detected
148
Combination Abnormality - Incorrect Combination
149
Combination Abnormality - Wrong Unit Combination
149
Wiring and Piping Mismatch - Auto Address Inconsistency on F1-F2 Transmission
149
Wiring and Piping Mismatch - Stop Valves Closed or Incorrect
150
Wiring and Piping Mismatch - Excess Connection Ratio
151
Auto-Address Failure
152
Refrigerant Leak Check Is Not Possible
153
Refrigerant Leak Check Cannot be Performed - Indoor Air Temperature Is out of Range
153
Refrigerant Leak Check Cannot be Performed - Outdoor Air Temperature Is out of Range
154
Refrigerant Leak Check Is Interrupted - too Low Pressure Is Detected
154
Refrigerant Leak Check Cannot be Performed - a Unit Which Is Not Compatible with Leak Detection Function Is Installed
155
NG - Refrigerant Leak Check Function Detects Refrigerant Leak
155
OK - Refrigerant Leak Check Function Detects no Refrigerant Leak
156
Indoor Unit Related Error Codes
156
Overview of Error Codes
158
Symptom Based Troubleshooting
164
Normal Operating Conditions
164
Symptom: the System Does Not Operate
164
Symptom: Cool/Heat Cannot be Changed over
165
Symptom: Fan Operation Is Possible, but Cooling and Heating Do Not Work
165
Symptom: the Fan Speed Does Not Correspond to the Setting
165
Symptom: the Fan Direction Does Not Correspond to the Setting
165
Symptom: White Mist Comes out of a Unit (Indoor Unit)
165
Symptom: White Mist Comes out of a Unit (Indoor Unit, Heat Exchanger Unit)
165
Symptom: the User Interface Reads "U4" or "U5" and Stops, but then Restarts after a few Minutes
166
Symptom: Noise of Air Conditioners (Indoor Unit)
166
Symptom: Noise of Air Conditioners (Indoor Unit, Outdoor Unit)
166
Symptom: Noise of Air Conditioners (Outdoor Unit)
166
Symptom: Dust Comes out of the Unit
166
Symptom: the Units Can Give off Odours
166
Symptom: the Outdoor Unit Fan Does Not Spin
166
Symptom: the Display Shows "88
167
Symptom: the Compressor in the Outdoor Unit Does Not Stop after a Short Heating Operation
167
Symptom: the Inside of an Outdoor Unit Is Warm Even When the Unit Has Stopped
167
Symptom: Hot Air Can be Felt When the Indoor Unit Is Stopped
167
Symptom: Unit Operation Problems
168
Other Symptoms
170
Components
172
4-Way Valve
172
Main 4-Way Valve
172
Sub 4-Way Valve
179
Compressor
185
Checking Procedures
185
Before Proceeding
186
Repair Procedures
190
Crankcase Heater
198
Checking Procedures
198
Repair Procedures
200
Current Sensor
202
Checking Procedures
202
Repair Procedures
203
Expansion Valve
204
Checking Procedures
204
Repair Procedures
209
Fan Inverter PCB
213
Single Fan Outdoor Unit
213
Double Fan Outdoor Unit
219
High Pressure Switch
225
Checking Procedures
225
Repair Procedures
226
Inverter PCB
228
Checking Procedures
228
Repair Procedures
238
Main PCB
243
Checking Procedures
243
Repair Procedures
247
Noise Filter PCB
253
Checking Procedures
253
Repair Procedures
256
Oil Return Valve
258
Checking Procedures
258
Repair Procedures
260
Outdoor Unit Fan Motor
263
Single Fan Outdoor Unit
263
Double Fan Outdoor Unit
267
Plate Work
271
To Remove the Plate Work on Single Fan Units
271
To Remove the Plate Work on Double Fan Units
275
To Access the Switch Box on Single Fan Units
279
To Access the Switch Box on Double Fan Units
283
To Assemble the Switch Box on Single Fan Units
284
To Assemble the Switch Box on Double Fan Units
287
Reactor
288
Checking Procedures
288
Repair Procedures
289
Refrigerant High Pressure Sensor
291
Checking Procedures
291
Repair Procedures
293
Refrigerant Low Pressure Sensor
295
Checking Procedures
295
Repair Procedures
297
Thermistors
299
Refrigerant Side Thermistors
299
Other Thermistors
305
Third Party Components
306
Electrical Circuit
306
Checking Procedures
306
Repair Procedures
311
Refrigerant Circuit
313
Checking Procedures
313
Repair Procedures
318
Repair Information
322
External Factors
324
Checking Procedures
324
Maintenance
326
Maintenance Schedule
326
Maintenance Procedures for Outdoor Units
327
To Check the General Status of the Unit
327
To Clean the Cover Plates
328
To Clean the Outdoor Unit Heat Exchanger
328
Maintenance Procedures for Indoor Units
329
To Check the General Status of the Unit
329
To Clean the Cover Plates
330
To Clean the Indoor Unit Heat Exchanger
330
Technical Data
332
Detailed Information Setting Mode
332
Detailed Information Setting Mode: Outdoor Unit
332
Detailed Information Setting Mode: Remote Controller
332
Wiring Diagram
333
Wiring Diagram: Outdoor Unit
333
Piping Diagram
338
Piping Diagram: Outdoor Unit
338
Major Function
347
Refrigerant Flow Diagram
350
Component Overview
363
Component Overview: RXYQ8~12U + RXYTQ8U Units
363
Component Overview: RXYQ14~16U + RXYTQ10~16U Units
365
Component Overview: RXYQ18~20U Units
367
Component Overview: RYMQ8~12U Units
369
Component Overview: RYMQ14~16U Units
371
Component Overview: RYMQ18~20U Units
373
Component Overview: RYYQ8~12U Units
375
Component Overview: RYYQ14~16U Units
377
Component Overview: RYYQ18~20U Units
379
Switchbox Overview
381
Single Fan Units
381
Double Fan Units
381
Safety Devices
382
Field Information Report
384
Service Tools
387
Field Settings
388
To Access Mode 1 or 2
388
To Use Mode 1
388
To Use Mode 2
389
Mode 1: Field Settings
391
Mode 2: Field Settings
394
Overview of Field Settings for Indoor Units
398
Description Function
402
Field Settings as Per Type of Indoor Unit
402
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