SiEBE18-526vi Drawings & Flow ChartsDrawings & Flow ChartsAabnormal discharge pipe temperature .................300actuation of high pressure switch .........................295actuation of low pressure switch ..........................296address setting .....................................................134after setting ..........................................................135ARC433A .............................................................245automatic air flow control .......................................81automatic operation ...............................................83auto-swing ..............................................................80Bbuzzer PCB ............................................................30Ccentralized group No. setting ...............................136check for fan motor connector (signal line) ..........324check for fan speed pulse input on outdoor unitpc board ........................................................325check on connector of fan motor (power supply cable).......................................................................324check operation ....................................................109check operation not executed ..............................319check work prior to turn power supply on .............106compressor motor lock .........................................297condensation avoidance control (FHQ only) ..........96control PCB ......................................... 28, 31, 33, 37control PCB (A1P) ..................................................21control PCB (indoor unit) ................................. 26, 30cooling operation fan control ..................................60Ddew condensation prevention control ....................73diagnosis mode ....................................................246discharge pipe protection control ...........................70display PCB .................................. 26, 30, 31, 34, 37drain pump control .................................................96Eecono mode ...........................................................86Ffan motor connector output check ............... 265, 285fan motor or related abnormalityAC motor .......................................................260DC motor .......................................................261faulty BP liquid pipe thermistor ............................289faulty combination of inverter and fan driver ........315field settingwired remote controller ..................................129wireless remote controller ..............................130field setting from outdoor unitmode changing procedure .............................113filter PCB (A3P) ......................................................23freeze-up protection control ............................ 72, 95freeze-up protection control orhigh pressure control ................................... 258full closing of motorized valves ............................. 77function outline ...................................................... 93functional parts layout ........................................... 47Hhigh pressure protection control ............................ 67HOME LEAVE operation ....................................... 89Iindoor unit fan motor lock .................................... 272indoor unit PCB abnormality ....................... 257, 268inspection/test button .......................................... 248INTELLIGENT EYE ............................................... 87INTELLIGENT EYE sensor ................................. 140INTELLIGENT EYE sensor PCB ............... 26, 28, 30inverter compressor abnormal ............................ 309inverter current abnormal .................................... 310inverter PCB (A2P) ................................................ 22inverter POWERFUL operation ............................. 90inverter protection control ...................................... 71inverter start up error ........................................... 311Jjumper settings .................................................... 139Llimit switch continuity check ................................ 265location of operation lamp ................................... 241low pressure drop due to refrigerant shortage orelectronic expansion valve failure ................ 316low pressure protection control ............................. 69Mmain/sub switch (SS1) ........................................ 133maintenance mode setting .................................. 137malfunction in other indoor unit orother BP unit ................................................ 320malfunction of discharge pipe thermistor (R3T) .. 302malfunction of drain system ................................ 271malfunction of drain water level system .............. 269malfunction of electronic expansion valve ........... 287malfunction of field setting switch ........................ 284malfunction of heat exchangerthermistor (R2T) ........................................... 278malfunction of heat exchangerthermistor (R3T) ........................................... 279malfunction of high pressure sensor ................... 306malfunction of indoor unit fan motor .................... 273malfunction of inverter radiating fintemperature rise ........................................... 308malfunction of inverter radiating fin temperature risesensor .......................................................... 314malfunction of low pressure sensor ..................... 307
