8 Troubleshooting
230
SMGB0087 rev.0 - 12/2013
N O T E
• *1) In the case that the end terminal resistance (DSW5-1) is set to OFF for H-LINK connection, set the end terminal
resistance to ON when CN8 is disconnected. Set the end terminal resistance to OFF when CN8 is reconnected.
• *2) Transmission Setting (SW1)
Item Setting Position
SW1
• *3)
PCB1 output voltage Voltage
Vcc 12 – GND2 12 VDC
Vcc 05 – GND1 5 VDC
Vcc 12 – GND1 12 VDC
Vcc 15 – GND1 15 VDC
Vcc 24 – GND1 24 VDC
Vcc 12T– GND1 12 VDC
• *4) The rotary switch (RSW2) is not available depending on the indoor unit model.
• *5) Surely perform the troubleshooting of DC fan motor. If DC fan motor fails, the normal inverter PCB may be damaged.
• *6) Refer to section “Self-checking procedure of PCB by means of the Remote Control Switch”.