Interruption of Operation
Page 44
Operating manual LC 340.01-A.3.5/6
Current revision status: Apr 4, 2019
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
Bad line voltage
a) Bad line Voltage
a) Please check that the
line voltage is within the
specified limits
Defective heater
a) Defective heater
a) Replace the heater
Reset of the alarm:
After resolving the problem:
-
Reset the motor protection switch in position 1
-
Reset by pushing reset button in LaserNet
8.2.5.4 Optic cooling circuit
– Over current tank heater
Alarm indication:
Alarm lamp
“
Alarms /
Overcurrent”
is lighting red. In the page
“Events“
“Overcurrent of DI water heater”
will be indicated.
Action:
This alarm will stop chiller operation. For possible reasons please see table 8.2.5.3.
Reset of the alarm:
After resolving the problem:
-
Reset the motor protection switch in position 1
-
Reset by pushing reset button in LaserNet
8.2.5.5 Refrigerant circuit
– Over current compressor
Alarm indication:
Alarm lamp
“
Alarms /
Overcurrent”
is lighting red. In the page
“Events“
“Overcurrent of compressor”
will be indicated.
Action:
This alarm will stop chiller operation. Please check following reasons step by step:
Failure
Reason
Corrective
Missing 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
