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Open enclosure
Danger of explosion in hazardous areas as a result of hot components and/or charged
capacitors inside the device.
Follow these steps when you open the device in a hazardous area:
1. Disconnect the device from the power supply.
2. Make sure you observe the wait time listed in section "Technical specifications for operation
Exception: Devices with "Intrinsic safety Ex i" explosion protection type only may also be
opened in an energized state in hazardous areas.
Dust layers above 5 mm
Danger of explosion in hazardous areas. Device may overheat du to dust build up.
• Remove any dust layers in excess of 5 mm.
Maintenance during continued operation in a hazardous area
There is a danger of explosion when carrying out repairs and maintenance on the device in a
hazardous area.
• Isolate the device from power.
- or -
• Ensure that the atmosphere is explosion-free (hot work permit).
Faulty adjustment and reassembly
Only carry out adjustments using appropriate tools in order to avoid short-circuits on the
electronic PCBs.
If the assembly or adjustment is faulty, dangerous gas may escape in certain cases, resulting in
a danger to health (poisoning, burns) and corrosion on the analyzer.
Types of protection Ex pz', 'Ex nR', and 'Ex tc'
• The control panel (window + keyboard) must only be cleaned using a moist cloth.
• The keyboard must only be used for servicing purposes (diagnostics, calibration/adjustment).
Compact Operating Instructions in accordance with EN 61010-1 and EN 60079-0
Compact Operating Instructions, 09/2018, A5E45779389002-01
DANGER
in hazardous areas (Page 62)" or on the warning label before you open the device.
WARNING
WARNING
WARNING
Service and maintenance
6.1 Safety instructions
53
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