Daikin SkyAir RZQ200 · 250C7Y1B Service Manual page 3

Part 5 Function and Operation ................................................... 47
1. Indoor Unit.............................................................................................48
2. Outdoor Unit..........................................................................................54
3. List of Electrical and Functional Parts ...................................................71
4.
Part 6 Troubleshooting ............................................................... 73
1.
2. Troubleshooting Based on Equipment Condition..................................83
3.
4. Diagnosis by Remote Controller ...........................................................99
ii
1.1 Function Details......................................................................................48
2.1 Function List ...........................................................................................54
2.2 Flow Chart of Outdoor Unit.....................................................................55
2.3 Table of Functions and Operations ........................................................57
2.4 Function Details......................................................................................61
3.1 Outdoor Unit ...........................................................................................71
Operation Range...................................................................................72
4.1 Operation Limits .....................................................................................72
Maintenance Inspections ......................................................................75
1.1 Optimal Operation Condition ..................................................................75
1.2 Refrigerant Saturation Curve (R-410A) ..................................................78
1.3 Cautions in Handling New Refrigerant ...................................................79
2.1 Troubleshooting Based on Equipment Condition
2.2 Equipment does not Operate .................................................................84
2.3 Indoor Fan Operates, but Compressor does not....................................85
2.4 Cooling/Heating Operation Starts but Stops Immediately ......................87
2.5 After Equipment Shuts Down, It cannot be Restarted for a While..........89
2.6 Equipment Operates but does not Provide Cooling ...............................90
2.7 Equipment Operates but does not Provide Heating ...............................92
2.8 Equipment Discharges White Mist .........................................................93
2.9 Equipment Produces Loud Noise or Shakes..........................................94
2.10 Equipment Discharges Dust...................................................................95
2.11 Remote Controller LCD Displays "88" ....................................................96
2.12 Swing Flap does not Move .....................................................................97
Procedure of Self-Diagnosis by LED.....................................................98
3.1 Troubleshooting by LED on Outdoor Unit PC Board..............................98
4.1 Confirm Method of Malfunction Code.....................................................99
4.2 Remote Controller Display Malfunction Code and Contents
4.3 "A1" Failure of Indoor Unit PC Board .....................................................104
4.4 "A3" Malfunction of Drain Water Level System (Float Type) .................105
4.5 "A6" Malfunction of Indoor Unit Fan Motor ............................................107
4.6 "A6" Malfunction of Indoor Unit Fan Motor ............................................109
4.7 "A6" Indoor Unit Fan Motor Overload, Overcurrent, Lock .....................110
4.8 "A7" Malfunction of Swing Flap Motor ...................................................112
4.9 "AF" Failure of Drain System .................................................................113
4.10 "AJ" Malfunction of Capacity Determination Device..............................114
4.11 "C4" Malfunction of Heat Exchange Temperature Sensor System........115
4.12 "C9" Malfunction of Suction Air Temperature Sensor System ...............116
4.13 "CC" Malfunction of Humidity Sensor System ........................................117
4.14 "CJ" Malfunction of Remote Controller Air Thermistor...........................118
4.15 "E1" Failure of Outdoor Unit PC Board...................................................119
4.16 "E3" Abnormal High Pressure Level ......................................................120
SiBE26-701
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