Samsung AC052MN4DKH - Page 51

Troubleshooting
4-16 Samsung Electronics
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Product operation in
error condition
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Outdoor unit/
Compressor/Indoor
unit
Communication error between
the indoor unit and wir ed
remote controller
Check the connection wire between the indoor unit and
the wired r emot e controller
Normal operation
Wir ed 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
Wir ed remote
controller error
COM1/COM2 cross installation
error
Check that wired r emot e controller is connected to the
COM2 terminal of the indoor unit
Normal operation
Wir ed remote
controller error
Wir ed remote controller COM2
option setting erro r
Check that Com1, Com2 setting DIP switch is set to Com2 Normal operation
Wir ed remote
controller error
Wired remote controller (cont.)