Interruption of Operation
Page 42
Operating manual LC 340.01-A.3.5/6
Current revision status: Apr 4, 2019
8.2.4 DI WATER CONDUCTIVITY ALARM
Alarm indication:
The alarm lamp
“Alarms / DI water conductivity”
is lighting red. In the page
“Events“
“DI water conductivity is too high” will be indicated.
Action:
Following conditions will activate this warning massage:
-
DI water conductivity less than 30 µS/cm
-
DI water conductivity greater than 50 µS/cm
DI Water conductivity
MIN:
30 µS/cm
MAX:
50 µS/cm
This alarm will stop chiller operation. Change DI cartridge according item 7.5.3.
Reset of the alarm:
After solving the problem, you can reset the alarm by pushing the reset button in
LaserNet. The red light will be switched off.
8.2.5 OVERCURRENT ALARM
8.2.5.1 Laser cooling circuit
– Pump over current
Alarm indication:
The alarm lamp
“Alarms / Overcurrent”
is lighting red. In the page
“Events“
“Overcurrent of tap water pump”
will be indicated.
Action:
This alarm will stop chiller operation. Please check following reasons step by step:
Failure
Reason
Corrective
Missing of one phase
a) Power fault
b) Phase not connected
a) Check the power supply
b) Check if all phases are
connected at the
corresponding point
inside the control
cabinet
Too high flow
a) Optic Pump is operated
outside characteristic
curve
a) Reduce water flow by
closing the regulating
valve for the pump
(M5).
30 µS/cm
50 µS/cm
