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Daikin CTXU25G2V1B Service Manual

Also see for 2MXU40GV1B: Service manualInstallation manualService Manual Removal Procedure

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Contents
  1. Table Of Contents
  2. Table Of Contents
  3. Table Of Contents
  4. Table Of Contents
  5. Part 1 List of Functions
  6. Functions
  7. Part 2 Specifications
  8. Specifications
  9. Outdoor Units
  10. Part 3 Printed Circuit Board Connector Wiring Diagram
  11. Printed Circuit Board Connector Wiring Diagram
  13. Part 4 Function and Control
  14. Main Functions
  15. Thermostat Control
  16. Automatic Operation
  17. Program Dry Function
  18. Airflow Direction Control
  19. Fan Speed Control for Indoor Units
  20. HUMID HEAT Operation
  21. Fresh Air Supply Ventilation
  22. AREA INTELLIGENT EYE
  23. Inverter POWERFUL Operation
  24. ECONO Mode
  25. NIGHT SET Mode
  26. Other Functions
  27. Table for Special Modes
  28. Function of Thermistor
  29. Control Specification
  30. Automatic switching for HUMID HEAT operation room
  31. Frequency Control
  32. Controls at Mode Changing / Start-up
  33. Discharge Pipe Temperature Control
  34. Input Current Control
  35. Heating Peak-cut Control
  36. Liquid Compression Protection Function 2
  37. Electronic Expansion Valve Control
  38. Malfunctions
  39. SiBE12
  40. Part 5 Installation / Operation Manual
  41. Installation Manual
  43. pump down operation
  44. System Configuration
  45. Operation Manual
  46. AUTO · DRY · COOL · HEAT · FAN Operation
  47. Adjusting the Airflow Direction
  50. COMFORT AIRFLOW and INTELLIGENT EYE Operation
  51. POWERFUL and OUTDOOR UNIT QUIET Operation
  52. ECONO Operation
  53. TIMER Operation
  54. WEEKLY TIMER Operation
  55. copy mode
  56. Note for Multi System
  57. Part 6 Service Diagnosis
  58. Service Check Function
  59. Failure Diagnosis by Remote Controller
  60. Troubleshooting
  61. Air conditioner does not run
  62. Air conditioner runs but does not cool (heat)
  63. When operation starts, safety breaker works
  64. Air conditioner makes big noise and vibration
  65. Air is not humidified enough
  66. Indoor Unit PCB Abnormality
  67. Freeze-up Protection Control or Heating Peak-cut Control
  68. Fan Motor (DC Motor) or Related Abnormality
  69. Thermistor or Related Abnormality (Indoor Unit)
  70. Humidity Sensor Abnormality
  71. Signal Transmission Error (Indoor Unit - Outdoor Unit)
  72. Incompatible Power Supply between Indoor Unit and Outdoor Unit
  73. Incomplete Setting for Hose Length
  74. Outdoor Unit PCB Abnormality
  75. OL Activation (Compressor Overload)
  76. Compressor Lock
  77. DC Fan Lock
  78. Input Overcurrent Detection
  80. High Pressure Control in Cooling
  81. Compressor Sensor System Abnormality
  82. Damper Abnormality
  83. Position Sensor Abnormality
  84. DC Voltage / DC Current Sensor Abnormality
  85. Thermistor or Related Abnormality (Outdoor Unit)
  86. Abnormal Temperature in Electrical Box
  87. Temperature Rise in Radiation Fin
  88. Output Overcurrent
  89. Refrigerant Shortage
  90. Over Voltage Protection / Low Voltage Protection
  91. Outdoor Unit PCB Abnormality or Communication Circuit Abnormality
  92. Signal Transmission Error on Outdoor Unit PCB
  93. Fan Motor System Abnormality / Fan Lock
  94. Heater Wire Abnormality
  95. Humidifying Fan Outlet Thermistor Abnormality / Heater Temperature Abnormality
  96. Lights-out of Microcomputer Status Lamp
  97. Check
  98. Thermistor Resistance Check
  99. Installation Condition Check
  100. Power Supply Waveform Check
  101. Refrigerant System Check
  102. Inverter Checker" Check
  103. Power Transistor Check
  104. Discharge Pressure Check
  105. Electronic Expansion Valve Check
  106. Rotating Pulse Input on Outdoor Unit PCB Check
  107. Main Circuit Short Check
  108. Four Way Valve Performance Check
  109. Part 7 Removal Procedure
  110. Indoor Unit
  111. Removal of Front Panel
  112. Removal of Front Grille
  113. Removal of Horizontal Blades and Vertical Blades
  114. Removal of Electrical Box
  115. Removal of PCB
  116. Removal of the Connecting Duct
  117. Removal of Heat Exchanger
  118. Removal of Swing Motor
  119. Removal of Fan Rotor
  120. Outdoor Unit
  121. Removal of Heater ASSY / Humidifying Rotor Moisture Adsorption Element) / Humidifying Rotor Motor
  122. Removal of Damper Motor
  123. Removal of Limit Switch / Humidifying Thermistor
  125. Removal of the Fan-valve-duct ASSY
  126. Removal of Hygroscopic Fan Rotor / Hygroscopic Fan Motor
  127. Removal of Panels and Plates
  130. Removal of Sound Blanket
  131. Removal of the Propeller Fan / Fan Motor
  132. Removal of Thermistors
  133. Removal of Compressor
  134. Removal of the Four Way Valve / Electronic Expansion Valve
  135. Part 8 Others
  136. Others
  137. Jumper Settings
  138. Application of Silicon Grease to a Power Transistor and a Diode Bridge
  139. Part 9 Appendix
  140. Piping Diagrams
  142. Wiring Diagrams
Daikin CTXU25G2V1B Service Manual Manual pdf 186 page image
Check SiBE12-908175 Service Diagnosis3.10 Discharge Pressure CheckCheck No.16(R9683)Discharge pressure checkYESNOIs it high?NOYESYESNONOYESIs the stop valve open?Is the connection pipedeformed?Are the heat exchangerand air filter dirty?Replace the compressor.Open the stop valve.Replace the field piping.Clean it.Replace the compressor.
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This manual is suitable for:
2MXU40GV1B2MXU50GV1BCTXU25G2V1BCTXU35G2V1BCTXU42G2V1BCTXU50G2V1B
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