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DVC/DVH Inverter Mini-Split Heat Controller
DVC18SD-1 and DVH18SD-1
This board contains four LED lights, shown above. (This image is for reference only).
• LED1 is Red and signals PCB Power by a solid light when the unit is operating or in standby
mode.
• LED2 is Yellow, which will flash slowly when the unit is in standby mode and remain solid
when the unit is in operation. If this light flashes fast, there is an error.
• LED3 is Red and LED4 is Green. These LEDs are both controlled by the compressor drive
chip. See the following chart for more information on how these lights correspond with the
indoor unit error codes.
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