Interruption of Operation
Page 46
Operating manual LC 340.01-A.3.5/6
Current revision status: Apr 4, 2019
LaserNet. The red light will be switched off.
8.2.6.2 Optic cooling circuit
– Error temperature sensor
Alarm indication:
Alarm lamp
“
Alarms /
Sensor failed”
is lighting red. In the page
“Events“
“DI water
temperature sensor is defect
”
will be indicated.
Action:
This alarm will stop chiller operation. Please see item 8.2.6.1 and check points given in
the table step by step.
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.
8.2.6.3 Laser cooling circuit
– Error pressure sensor
Alarm indication:
Alarm lamp
“
Alarms /
Sensor failed”
is lighting red. In the page
“Events“
“Tap
water pressure sensor is defect
”
will be indicated.
Action:
This alarm will stop chiller operation. Please check following reasons step by step:
Failure
Reason
Corrective action
Sensor fault
a) Sensor fault
a) Replace the sensor
Bad contact
a) Cable loose
a) Check the terminals for
contact
Measurement out of range a) Pressure to low
b) Pressure to high
a) Sensor range -1 to 8
bar. Check why
pressure is below -1 bar
b) Sensor range -1 to 8
bar. Check why
pressure is higher than
8 bar
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.
8.2.6.4 Optic cooling circuit
– Error pressure sensor
Alarm indication:
Alarm lamp
“
Alarms /
Sensor failed”
is lighting red. In the page
“Events“
“DI water
pressure sensor is defect
”
will be indicated.
Action:
This alarm will stop chiller operation. Please see item 8.2.6.3 and check points given in
the table step by step.