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2.7
Alarms
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2.8
Incorrect use
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Description / Overview
The electronic control system can detect various malfunctions (e.g. cable break of a
temperature sensor, temperatures exceeding the limit values) and indicate them via the
display or interface.
In order to issue a visual alarm, there is an LED (red) above the control unit on the cooling
module.
The following error messages will be signalled:
•
The actual fan speed is below the minimum speed.
•
Failure of a fan.
•
Cable break of a temperature sensor.
•
Supply voltage of the electronic control system: undervoltage.
•
Faulty Modbus communication.
•
Failure of power supply unit 1 or 2.
•
The actual cooling water temperature is above the limit value.
•
Malfunction of the condensate pump (option).
•
Door opened (option)
Note
In the event of a malfunction, refer to the "Troubleshooting" section.
In general:
any incorrect use is classed as 'not for the intended purpose'. The manufacturer cannot be
held liable for any damage resulting from such use. The risk of such misuse lies entirely
with the user. Moreover, intended use of the unit also involves use in accordance with the
applicable international and national safety instructions as well as the safety instructions
in the manual.
Amongst others, the unit is NOT intended for the following applications:
•
Outdoor use.
•
Non-compliance with the permissible technical data. See the "Technical data"
section.
VARISTAR Cooling unit SHX 30
16
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