4.5.- LED INDICATORS
The Controller MASTER control VAR FAST unit features:
A CPU LED: Indicates that the unit is working properly by blinking once per second.
An Alarm LED: Indicates that an alarm is activated.
A Fan LED: Indicates that the fan is operating.
A key pressed LED: Lights up when any of the 5 keys are pressed.
CPU
Fan
Alarm
Key pressed
Figure 15:LED indicators of the Controller MASTER control VAR FAST�
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