Alarms And Faults; Led Color Code - M&C CSS-VC1 Instruction Manual

19", wall mount or portable in carrying case with software version

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ALARMS AND FAULTS

In the event of warnings, or errors, plain text information appears on the screen and simultaneously via the LEDs on

the controller front, as well as alarms via the group alarm connection (Part No. 01G6170) or alarms and warnings via

the individual alarm connector (Part No. 01G6175) (see chapter 12.4.1. and 12.4.2).

In front of the plaintext information, is the serial number of the error message and the total number of messages is

specified, e.g. 1/3 ... = Error message 1 of 3.

Depending on the alarm and TCU configuration, an alarm can result in further alarms and warnings:

E.g. the liquid alarm (LA-Alarm: 1,2) can trigger the pump alarm (Pump-Warn: 1,2) and that in turn can trigger the

flow alarm (FA-Warn.: 1,2).

18.1

Green LED:

Coolant temperature within the setpoint range, there are no faults.

Yellow LED:

Flow alarm, service time reached or exceeded. Message also via single alarm connection (see

chapter 12.4.2). In addition, device temperature < 1 °C [< 33.8 °F] or > 50° C [> 122 °F], internal

error requiring the device to be returned.

Red LED:

Temperature > 8 °C [> 46.4 °F] or < 2 °C [< 35.6 °F], and/or humidity alarm and/or breakage of the

cable of the liquid sensor. Message also via group alarm connection (see Section 12.4.1), or via

individual alarm connection (see Section 12.4.2). In addition, short circuit and cable break of a

temperature sensor.

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