20
Fault finding list for troubleshooting
Malfunctions
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Equipment does not work
Fault:
No voltage supply, no function.
Remedy:
Check voltage supply and all electrical connections.
Fault:
The electronic circuit board is defective.
Remedy:
Replace conductivity switch.
Equipment signals a malfunction
Error code:
E.01
LED:
LEDs 3 and 5 are illuminated.
Fault:
Connecting line to conductivity electrode interrupted.
Plug-in connectors have come loose.
Remedy:
Check connecting line and fasten plug-in connector by tightening the knurled nut.
Error code:
E.01
LED:
LEDs 3 and 5 are illuminated.
Fault:
Signal from resistance thermometer Pt 100 corresponds to a temperature of < 0 °C.
Remedy:
Check connecting line. Replace conductivity electrode.
Error code:
E.02
LED:
LEDs 3 and 5 are illuminated.
Fault:
Signal from resistance thermometer Pt 100 corresponds to a temperature of > 280 °C.
Remedy:
Check connecting line. Replace conductivity electrode.
Error code:
E.03
LED:
LEDs 3 and 5 are illuminated.
Fault:
Short circuit in conductivity electrode
Remedy:
Check connecting line. Replace conductivity electrode.
Error code:
E.04
LED:
LEDs 3 and 5 are illuminated.
Fault:
Interruption in conductivity electrode.
Remedy:
Check connecting line. Replace conductivity electrode.
