Daikin SkyAir RZQ200 · 250C7Y1B Service Manual page 4

SiBE26-701
Part 7 Appendix......................................................................... 185
1. Items Improved from the Existing Models ...........................................186
2. Piping Diagrams..................................................................................187
3. Wiring Diagrams..................................................................................191
Table of Contents
4.17 "E4" Low Pressure System Malfunction ................................................122
4.18 "E5" Inverter Compressor Motor Lock ...................................................124
4.19 "E7" Malfunction of Outdoor Unit Fan Motor..........................................125
4.20 "E9" Malfunction of Moving Part of Electronic Expansion Valve............128
4.21 "F3" Malfunction of Discharge Pipe Temperature..................................130
4.22 "H3" Abnormal High Pressure Switch ....................................................132
4.23 "H7" Abnormal Outdoor Fan Motor Signal .............................................134
4.24 "H9" "J3" "J5" "J6" "J7" "J8"
4.25 "JA" Malfunction of High Pressure Sensor ............................................138
4.26 "JC" Malfunction of Low Pressure Sensor .............................................140
4.27 "L1" Faulty Outdoor Inverter PC board ..................................................142
4.28 "L4" Radiation Fin Temperature Increased ...........................................143
4.29 "L5" Momentary Overcurrent of Inverter Compressor ...........................145
4.30 "L8" Inverter Compressor Overcurrent ..................................................147
4.31 "L9" Compressor Inverter Start up Error ...............................................149
4.32 "LC" Malfunction of Transmission between Inverter and
Control PC Board .................................................................................151
4.33 "P1" Inverter Over-Ripple Protection......................................................154
4.34 "PJ" Defective Combination of Inverter and Fan Driver ........................155
4.35 "U0" Gas Shortage (Malfunction) ..........................................................156
4.36 "U1" Reverse Phase...............................................................................157
4.37 "U2" Power Supply Insufficient or Instantaneous Failure ......................158
4.38 "U4" Malfunction of Transmission
(between Indoor and Outdoor Unit)......................................................161
4.39 "U5" Malfunction of Transmission
(between Indoor Unit and Remote Controller)......................................163
4.40 "U8" Transmission Error between Main Remote Controller and
Sub Remote Controller.........................................................................164
4.41 "U9" Malfunction of Transmission between Indoor and
Outdoor Units in the Same System ......................................................165
4.42 "UA" Malfunction of Field Setting Switch and Transmission Line ..........167
4.43 "UC" Centralized Address Duplicated ....................................................169
4.44 "UE" Malfunction of Transmission between Centralized Controller and
Indoor Unit............................................................................................170
4.45 "UF" Transmission System Malfunction
(between Indoor and Outdoor Units) ....................................................172
2.1 Pair .......................................................................................................187
2.2 Twin......................................................................................................188
2.3 Triple ....................................................................................................189
2.4 Double Twin .........................................................................................190
3.1 Outdoor Unit .........................................................................................191
Malfunction of Thermistor System ...............136
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