Operation, Operation 5.1 start-up, 2 fault diagnosis and corrective action – KROHNE LS 6600 EN User Manual
Page 16

5
OPERATION
16
LS 6600
www.krohne.com
03/2013 - 4001367702 - MA LS 6600 R02 en
Operation
5.1 Start-up
Before connecting to power, please check that the system has been correctly installed.
This includes:
• The device must be mechanically safe and mounted in compliance with the regulations.
• Check the leak-tightness at the sleeve.
• Make sure that the M12 plug is properly connected.
• The power connections must have been made in compliance with the regulations.
• Check that the electrical operating data of the power supply are correct.
• Switching on the power.
i
Check for correct switching function.
5.2 Fault diagnosis and corrective action
Fault
Cause
Action / elimination
LED not "on"
Sensor cap not in contact with
liquid product
-
Supply voltage < 12 V, permittivity
too low
Measure voltage at pin 1 and 3
No switching output
Cable break
Check continuity of cables
Incorrect polarity of supply
Reverse terminal 1 and 3
Short-circuit
Check wiring
.book Page 16 Tuesday, March 12, 2013 11:44 AM