Repairs
Troubleshooting
Beck GmbH
Druckkontrolltechnik
Ferdinand-Steinbeis-Straße 4
71144 Steinenbronn
Operating instructions – Pressure Switch – Model - 901...EX
Rev.10
Page 10 of 18
Maintenance
The interval from the applicable usage regulations must be taken
into consideration
As a manufacturer we recommend a maximum interval of 1 year
6.2 Troubleshooting
A list of possible faults (fault indications) can be found in the table below.
The table contains an explanation of how to detect faults.
A list of possible causes and remedial measures also follows.
Fault indication
Possible cause
Measures
Contact won’t switch
Defective diaphragm
Replace pressure switch
Spring defective
Pressure connection blocked
Pressure outside working range
7 Repairs
The following points must be noted before carrying out any work whatsoever on the equipment:
When work is being performed such as installation, making electrical
connections or opening the housing, it must be ensured that
No electrical voltage is present
Unintentional activation is not possible
Repairs must only be carried out by the manufacturer
The following must be observed in potentially explosive areas:
No potentially explosive atmosphere is present
A release for work must have been issued by the operator
The applicable regulations and all documentation for this
equipment must be adhered to
Only original spare parts from the manufacturer must be used
The spare parts must comply with the required equipment category
Interventions that influence explosion protection must only be carried out by experts
A prerequisite is adequate qualification (“capable person”) with regard to explosion
protection and the use of the equipment
8 Dismantling
The following points must be noted before carrying out any work whatsoever on the equipment:
Ensure that the equipment may be removed and that appropriate
replacement measures have been taken.
All of the instructions in chapter 7 “
Repairs
” must be followed
Exposed cable (ends) must be marked, and it must be ensured that
No electrical voltage is present
Unintentional activation is not possible
8.1 Disposal
The equipment is made from recyclable materials and is designed to make
the housing and the electronics easy to separate. Please ensure that all
parts are disposed of in accordance with legal regulations.
Please contact us if you cannot dispose of the equipment properly.