Daikin Super multi NX E Series Service Manual

Also see for Super Multi NX: Overview

Contents

Daikin Super multi NX E Series Service Manual Manual pdf 5 page image

SiBE121135_ATable of Contents ivPart 6 Service Diagnosis........................................................... 1481. Troubleshooting with LED ...................................................................1501.1 Indoor Unit............................................................................................1501.2 Outdoor Unit .........................................................................................1522. Problem Symptoms and Measures .....................................................1533. Service Check Function ......................................................................1543.1 RA Indoor Unit......................................................................................1543.2 SA Indoor Unit ......................................................................................1634. Code Indication on Remote Controller ................................................1674.1 RA Indoor Unit......................................................................................1674.2 SA Indoor Unit ......................................................................................1674.3 Sub Codes for SA Indoor Unit ..............................................................1684.4 Outdoor Unit .........................................................................................1695. Troubleshooting for RA Indoor Unit.....................................................1705.1 Indoor Unit PCB Abnormality ...............................................................1705.2 Freeze-up Protection Control or Heating Peak-cut Control..................1725.3 Fan Motor or Related Abnormality .......................................................1735.4 Radiant Panel Temperature Rise, Indoor Electronic Expansion Valve(Motor Operated Valve) Abnormality, Freeze-up Protection Control(FVXG Series Only)..............................................................................1785.5 Thermistor or Related Abnormality (RA Indoor Unit)............................1805.6 Front Panel Open / Close Fault (FTXG Series Only) ...........................1815.7 Signal Transmission Error (between Indoor Unit and Outdoor Unit) ....1825.8 Unspecified Voltage (between Indoor Unit and Outdoor Unit) .............1836. Troubleshooting for SA Indoor Unit.....................................................1846.1 Indoor Unit PCB Abnormality ...............................................................1846.2 Drain Level Control System Abnormality..............................................1856.3 Fan Motor or Related Abnormality .......................................................1876.4 Swing Motor Lock (FHQ Series Only) ..................................................1936.5 Drain System Abnormality....................................................................1946.6 Thermistor or Related Abnormality (SA Indoor Unit)............................1956.7 Remote Controller Thermistor Abnormality ..........................................1966.8 Signal Transmission Error(between Indoor Unit and Remote Controller)......................................1976.9 Signal Transmission Error(between MAIN Remote Controller and SUB Remote Controller)........1986.10 Field Setting Abnormality .....................................................................1997. Troubleshooting for Outdoor Unit........................................................2007.1 Refrigerant Shortage ............................................................................2007.2 Low-voltage Detection or Over-voltage Detection................................2027.3 Signal Transmission Error (on Outdoor Unit PCB)...............................2047.4 Unspecified Voltage (between Indoor Unit and Outdoor Unit) /Anti-icing Function in Other Rooms......................................................2057.5 Anti-icing Control for Indoor Unit ..........................................................2067.6 Outdoor Unit PCB Abnormality.............................................................2087.7 OL Activation (Compressor Overload) .................................................2097.8 Compressor Lock .................................................................................2117.9 DC Fan Lock ........................................................................................2127.10 Input Overcurrent Detection .................................................................2137.11 Discharge Pipe Temperature Control...................................................2147.12 High Pressure Control in Cooling .........................................................215