Section 0
Contents
4. Troubleshooting ................................................................................................ 133
4-1 Check-up Window Description ............................................................................................................................ 133
4-2 Service Operation ...................................................................................................................................................... 134
4-2-1 Special Operation .........................................................................................................................................134
4-2-3 Number Display Method ..........................................................................................................................146
between outdoor units ............................................................................................................................. 159
of 2 branch Parts .......................................................................................................................................... 163
4-3-22 E269 : Suction Temperature sensor breakway error .................................................................. 178
4-3-31 E407 : Comp. Down due to High Pressure Protection Control .............................................. 187
4-3-32 E410 : Comp. Down due to Low Pressure Protection Control ................................................ 189
4-3-35 E428 : Suspension of starting by abnormal compression ratio .............................................193
4-3-36 EVI EEV Open error ....................................................................................................................................194
4-3-40 CCH wire breaking error ..........................................................................................................................198
4-3-41 Fan motor starting error ......................................................................................................................... 200
4-3-42 Fan motor locking error.......................................................................................................................... 202
4-3-43 Momentary Blackout error .......................................................................................................................... 203
Samsung Electronics
to an Indoor unit ....................................................................................................................................... 168
not being used ........................................................................................................................................... 169
actually set up in MCU ............................................................................................................................ 170
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