Troubleshooting - ECOLAB LMIT09 DPV1 Betriebsanleitung

9

Troubleshooting

Personnel:
Protective equipment:
Fault description
LED off
Conductivity reading
unstable
No signal output
Conductivity reading
too low.
n Specialist
n Trained personnel
n Service personnel
n Protective gloves
n Protective eyewear
Cause
Display is not illuminated, no
supply voltage or fuse faulty.
Air bubbles at the
measuring cell installation
point, insufficient pipe filling.
Unstable supply voltage.
Cables or terminals defective,
or connected analysis device
defective.
Measuring bore dirty.
Remedy
Check whether the supply voltage is
present and whether the microfuse is
working properly. If necessary, replace
the fuse.
Check the installation point of the
measuring cell for air bubbles or
insufficient pipe filling.
Check supply voltage for fluctuations.
Check cable, terminals and connected
analysis device. Check cable, terminals
and connected analysis device.
Clean measuring bore.
97
Troubleshooting
417101561 Rev. 4-06.2021