Alarm code
b5
Incorrect setting of indoor unit connection number.
• The RUN indicator flashes and the ALARM indication is displayed on the remote control switch.
• The unit no., the alarm code and the unit code are alternatively displayed in the temperature setting section and the unit
no. and alarm code are displayed on the outdoor unit's PCB1 display.
("35" is displayed on the remote control switch screen).
* This alarm is indicated under the following conditions.
Turn OFF the power supply and check the settings of DSW and RSW.
Conditions: More than 17 indoor units not belonging to FSN2 series (H-LINK) are connected to one system.
Countermeasures: The indoor units not belonging to FSN2 series (H-LINK) must be 16 or less.
PCB1: Control PCB for the outdoor unit.
8 Troubleshooting
234
SMGB0065 rev. 1 - 12/2010
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