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10 Faults
All defective or faulty equipment must be taken out of service. Defective or faulty devices should be handed over to the
manufacturer's service department immediately. Under no circumstances repair attempts should be made on site.
Device safety can no longer be guaranteed.
Contact details see chap. 1.6
Fault Possible causes Possible measures
Jerky or random pointer movement Bended stem, bended every angle
connection
Check for mounting errors and
installation location.
Replace device if necessary
Bent or loose pointer Damage with transport or external
rough impact
Repair by the manufacturer
Cracked window External influences Repair by the manufacturer
Leakage with filled device High solar radiation, operation
outside the device specification
Repair by the manufacturer
Case damage Improper handling Check installation location,
Device must be replaced
Signs of leakage of the measuring
system (discoloration of the dial or
the filling liquid).
Process media not compatible with
the material used for the thermowell,
installation location with excessive
external influences
Improper use,
Replace device
Adapt thermowell material to
process media
10.1 Behaviour after rectifying the fault
See chapter 8 Assembly and Installation
11 Dismantling & disposal
11.1 Disassembly
During maintenance work on an unit installed without thermowell, the lines must be depressurized and the system
must be secured against being switched on again.
Dismantle the measuring device using a suitable tool.
Residual media in and on dismantled measuring instruments can endanger people, the environment
and equipment. Sufficient precautionary measures must be taken. If necessary, the devices must be
cleaned thoroughly (see notes in the safety data sheets).
11.2 Disposal
At the end of the product life cycle, do not dispose of this product with normal household waste. Take this
product to a collection point or a specialist disposal company for recycling of the components
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