Samsung AC071MN4PKH Service Manual page 95

Precautions
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When needing to have additional piping before entering the installation smart install mode, charge refrigerant additionally according to
the manual. At this time, it is possible to run the cooling test (K2 switch once) and heating test (K1 switch once).
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When the installation smart Install mode is not run, the remote control and main unit button will not work. [E508 (Smart install mode was
not carried out) error displayed.]
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The installation smart install mode operation may be interrupted by pressing the K3 switch. [Display the E508 (Smart install mode was not
carried out) error upon interruption.]
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While running in the installation smart install mode, the installation smart Install mode operation may not be interrupted even by pressing
the K1 or K2 switch.
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While running in the installation smart install mode, the system status information may be checked by pressing the K4 switch.
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When pressing the K1 and K4 switches for 5 seconds upon successfully running in the installation smart install mode, the system will run
the installation smart install mode again.
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When having an error in the installation smart install mode, operation in the installation smart install mode may be interrupted.
Please run the installation smart install mode again upon taking appropriate action for the error. (Refer to troubleshooting)
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When the installation smart install mode is not completed successfully even after resolving all the errors, the unit will not work, displaying
an error code of E508 (Smart install mode was not carried out).Upon resolving the problem, try to complete running the installation smart
install mode.
※ Displayed E508 is not a malfunction, it is indication that did not carried out the smart Install mode after air conditioner installation.
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Troubleshooting