Carrier 19C Anleitung zur Fehlerbehebung PDF herunterladen (Seite 10)

Part number 20083, Rev 0

The STATUS tricolor LED shows the status of the unit.

Green = normal run mode

Amber = program mode

Red = temperature is out of range (The light blinks off briefly each second to show the

unit is active)

The ALARM/TEST push-button interrupts line power, to allow testing of the battery and the

alarm relay.

The bright red ALARM LED shows alarm conditions.

• In alarm mode, it flashes every half-second.

• In alarm mute mode, it gives a short blink every second.

• In battery mode, it gives a short blink every two seconds.

The BEEPER shows alarm conditions and user activity.

• In alarm mode, it gives a long beep.

• In alarm mute mode, it gives a short chirp.

• It gives an audible tick to indicate a button has been pressed.

The MUTE/PROGRAM button has three functions.

• In Normal Run mode, if the unit is beeping, pressing the button will mute the beeper for a

preset time. Each time the button is pressed the mute time resets.

• Holding the button down for two seconds takes the unit out of Normal Run mode and into

Programming mode. At the same time, it mutes the beeper.

• When in Programming mode, pressing the button steps the unit through the various

programming parameters.

The UP button has a different function for each operating mode.

• In Normal Run mode, pressing the button causes the high temperature set point to be

displayed.

• In Programming mode, pressing the button increases the displayed parameter value.

The DOWN button has a different function for each operating mode.

• In Normal Run mode, pressing the button displays the low temperature set point.

• In Programming mode, pressing the button decreases the displayed parameter value.

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Carrier 19C Anleitung zur Fehlerbehebung Seite 10