6. Faults / 7. Maintenance and cleaning
Faults
Signal span varies
Signal span varies/inaccurate
Signal span drops/too small
If complaint is unjustified, we will charge you the complaint processing fees.
7. Maintenance and cleaning
7.1 Maintenance
This pressure transmitter is maintenance-free.
Repairs must only be carried out by the manufacturer.
7.2 Cleaning
CAUTION!
Unsuitable cleaning agents
Cleaning with unsuitable cleaning agents may damage the instrument and the product label.
▶
Do not use any aggressive cleaning agents.
▶
Do not use any hard or pointed objects.
▶
Do not use any abrasive cloths or sponges.
Suitable cleaning agents
Water
■
Conventional dishwashing detergent
■
Cleaning the instrument
1. Depressurise and de-energise the pressure transmitter.
2. Wipe the instrument surface using a soft, damp cloth.
WIKA operating instructions pressure transmitter, model A-10
Causes
EMC interference sources in the environment;
for example, frequency converter
Too high/low working temperature
Mechanical overload caused by overpressure
Measures
Shield instrument; cable shield; remove
source of interference
Observe the permissible temperatures
Replace instrument; if it fails repeatedly,
contact the manufacturer
EN
13