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Troubleshooting
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General information
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Troubleshooting
WARNING
Carry out instructed works only!
There is an increased risk of injury to persons who perform tasks for which they are not
suitably qualified or trained.
Troubleshooting shall only be carried out by qualified personnel. Contact the after-sales
service particularly in the event of malfunctions in the electrical system or the
refrigeration unit (if provided).
DANGER
Electrical hazard!
It may be necessary to open the housing in order to perform work on the unit. Exposed
parts may be energised and cause an electric shock if they are touched.
Observe the following points when working on the electrical system:
•
Observe the "Safety" section.
•
Ensure that the tasks are performed solely by qualified experts.
1.
Disconnect the unit from the power supply in order to deenergise it.
2.
Secure the unit so that it cannot be switched on again accidentally.
3.
Check whether the unit is properly disconnected from power and absolutely
voltage-free
4.
Earth and short-circuit the unit.
5.
Cover any adjacent live parts and secure the danger area.
WARNING
Danger to persons due to heavy objects!
When installing or removing components of the system (e.g., pumps, compressors, heat
exchangers, ...), their entire weight must be taken into consideration.
•
Perform the installation and removal with several persons or use suitable lifting
devices.
•
Install/remove the components individually one by one.
•
Use personal protective equipment.
VARISTAR Cooling unit SHX 30
64
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