IM-P693-06 EMM Issue 1
16
LCS3050 Low Water Level Switch for two probes
6. Fault finding
6.1 Display, diagnosis and troubleshooting
Important
Before carrying out the fault diagnosis please check:
Supply voltage
Is the level switch supplied with the voltage specified on the name plate?
Wiring
Is the wiring in accordance with the wiring diagram and the relevant schematic
representation of arrangement?
Configuration
Are the code switch settings 4 and 5 correct for the number of level probes used?
Fault indication
Status Diagnosis Function Next activity
Faulty evaluation of level
probe 1, channel 1
Diagnosis LED 1 and LED
alarm 1 illuminated.
Output contacts are opened
instantaneously.
Signal output 1 closes
instantaneously.
next:
Press key AL1.
Faulty evaluation of level
probe 2, channel 2
Diagnosis LED 2 and LED
alarm 2 illuminated.
Output contacts are opened
instantaneously.
Signal output 2 closes
instantaneously.
next:
Press key AL2.
Malfunction in level switch
detected.
Diagnosis LED 3 and LED
alarm 1 and 2 illuminated.
Output contacts are opened
instantaneously.
Signal outputs 1 and 2 are
closed instantaneously.
next:
Press key AL1 or key AL2.
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