Troubleshooting
4-16 Samsung Electronics
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Product operation in
error condition
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Outdoor unit/
Compressor/Indoor
unit
Capacities not matched Check the option code of the indoor unit Operation Off
Outdoor unit
protection
control error
Communication error between
the indoor unit and wired
remote controller
Check the connection wire between the indoor unit and
the wired remote controller
Normal operation
Wired remote
controller error
Communication error between
the Master and Slave wired
remote controllers
Check the option switch for defining the Master and
Slave (only one Master and one Slave can exist)
Normal operation
Wired remote
controller error
COM1/COM2 cross installation
error
Check that wired remote controller is connected to the
COM2 terminal of the indoor unit
Normal operation
Wired remote
controller error
Wired remote controller COM2
option setting error
Check that Com1, Com2 setting DIP switch is set to Com2 Normal operation
Wired remote
controller error
Wired remote controller (cont.)