Service manual

ESIE12-06
Table of Contents ii
3.1 Indoor Unit..............................................................................................98
3.2 Outdoor Unit .........................................................................................102
Part 6 Field Setting ...................................................................121
1. Test Operation ....................................................................................122
1.1 Pre-run Checks ....................................................................................122
1.2 Remote Controller Confirmation...........................................................122
1.3 Test Run...............................................................................................123
1.4 Precautions Regarding Test Run .........................................................123
1.5 Failure Diagnosis at the Moment of First Installation ...........................124
2. Field Setting from Remote Controller..................................................125
2.1 Wired Remote Controller......................................................................125
2.2 Wireless Remote Controller .................................................................128
2.3 Settings Contents and Code No. for Indoor Units ................................129
2.4 Overview of the Field Setting on the Outdoor Units .............................134
2.5 Quiet (Low Noise) Operation................................................................135
2.6 I-Demand Function...............................................................................137
2.7 Setting for Low Humidity Application....................................................138
2.8 Defrost Start Setting .............................................................................142
3. Field Setting from Outdoor Unit PCB ..................................................143
3.1 Location of DIP Switch and BS Button.................................................143
3.2 Field Setting for Outdoor Unit...............................................................144
4. Emergency Operation .........................................................................152
4.1 Forced Operation .................................................................................152
Part 7 Service Diagnosis...........................................................155
1. Maintenance Inspection ......................................................................157
1.1 Overview ..............................................................................................157
2. Symptom-based Troubleshooting .......................................................159
2.1 Overview ..............................................................................................159
2.2 Equipment does not Operate ...............................................................160
2.3 Indoor Unit Fan Operates, but Compressor does not Operate ............162
2.4 Cooling / Heating Operation Starts but Stops Immediately ..................164
2.5 After Unit Shuts Down, It cannot be Restarted for a While ..................165
2.6 Equipment Operates but does not Provide Cooling .............................167
2.7 Equipment Operates but does not Provide Heating .............................169
2.8 Equipment Discharges White Mist .......................................................171
2.9 Equipment Produces Loud Noise or Vibration .....................................172
2.10 Equipment Discharges Dust.................................................................173
2.11 Remote Controller LCD Displays "88" ..................................................174
2.12 Swing Flap does not Operate...............................................................175
3. Troubleshooting by LED Indications ...................................................177
3.1 Troubleshooting by LED on the Indoor Unit .........................................177
3.2 Troubleshooting by LED on Outdoor Unit PCB ....................................177
4. Troubleshooting by Remote Controller ...............................................178
4.1 Procedure of Self-diagnosis by Remote Controller ..............................178
4.2 Error Codes and Description ................................................................182
4.3 Safety Devices .....................................................................................183
4.4 Indoor Unit PCB Abnormality ...............................................................184
4.5 Drain Water Level System Abnormality................................................185