N O T E
1 If this
indication is continuous and “J1” is not displayed,
this indicates that each one of the indoor units is not connected to the remote control. Check the wiring between
the remote control and the indoor unit.
2 During this troubleshooting procedure, the check of the following PCB parts is not available:
Indoor unit PCB: relay circuit, DSW switches, option circuit, fan circuit, protection circuit.
Outdoor unit PCB: relay circuit, DSW switches, option circuit.
3 In the case this troubleshooting procedure is carried out in the system using the central station, the indication
on the central station may change during this procedure. However, this is not abnormal.
8 Troubleshooting
264
SMGB0065 rev. 1 - 12/2010
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