Samsung DVM S AM MXVAFC Series Installation Manual page 91

Are the power cable and communication cable tightened firmly on the
terminal board within the range of rated tightening torque?
Have you checked for cross-connection of the power and communication
cables?
Have you performed the earthing work 3 to the outdoor unit?
Electrical wiring work
Did you make sure to use 2-core cable (not multi-core cable) for the
communication cable?
Is the length of the wire within allowed range?
Is the wiring route correct?
Did you set the address of the indoor and outdoor units properly?
Setting address
Did you set the address of the indoor and outdoor units properly? (When
using multiple remote controllers)
If there is a possibility of the outdoor unit from vibrating, check whether the
Option
anti-vibration frame is correctly installed.
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