SiE 00-07iv Table of Contents7. Troubleshooting (OP: Schedule Timer)...............................................1717.1 Malfunction of TransmissionBetween Central Remote Controller and Indoor Unit .......................... 1717.2 PC Board Defect.................................................................................. 1727.3 Malfunction of TransmissionBetween Optional Controllers for Centralized Control......................... 1727.4 Improper Combination of Optional Controllersfor Centralized Control......................................................................... 1737.5 Address Duplication, Improper Setting ................................................ 1748. Troubleshooting (OP: Unified ON/OFF Controller) .............................1758.1 Operation Lamp Blinks ........................................................................ 1758.2 Display “Under Host Computer Integrate Control” Blinks(Repeats Single Blink) ......................................................................... 1768.3 Display “Under Host Computer Integrate Control” Blinks(Repeats Double Blink)........................................................................ 178Part 6 Special Service Mode R-407C PLUS Series...................1791. Backup and Emergency Operation............................................................... 1801.1 Backup and Emergency Operation...................................................... 1802. Pump Down Operation ................................................................................. 1822.1 Pump Down Operation ........................................................................ 182Part 7 Appendix R-407C PLUS Series .......................................1831. Piping Diagram....................................................................................1841.1 Outdoor Unit ........................................................................................ 1841.2 Indoor Unit ........................................................................................... 1862. Wiring Diagram ...................................................................................1872.1 Outdoor Unit ........................................................................................ 1872.2 Indoor Unit ........................................................................................... 1893. Characteristics .............................................................................................. 2013.1 R-407C Characteristics ....................................................................... 2013.2 Thermistor Resistance / Temperature Characteristics ........................ 2023.3 Pressure Sensor.................................................................................. 2043.4 Method of Replacing The Inverter’s Power Transistorsand Diode Modules.............................................................................. 2054. Precautions in Servicing The Models with New-type Refrigerant ................. 2074.1 Tools Required .................................................................................... 2074.2 Notes for Work Procedures ................................................................. 208Index .............................................................................................iDrawings & Flow Charts ................................................................ v
