Interruption of Operation
Page 43
Operating manual LC 340.01-A.3.5/6
Current revision status: Apr 4, 2019
Bad line voltage
a) Line voltage outside
tolerance
a) Please check that the
line voltage is within the
specified limits
Bad line frequency
a) Frequency outside
tolerance
a) Please check that the
line frequency is within
the specifications
Defective motor
a) Winding defect
b) Motor mechanically
locked
a) Replace the motor
Defective wire connection
to the motor
a) Bad wire connection
a) Check the wire
connections to the
motor
Defective motor overload
switch
a) Defective motor
overload switch
a) Replace the motor
overload switch
Reset of the alarm:
After resolving the problem:
-
Reset the motor protection switch in position 1
-
Reset by pushing reset button in LaserNet
8.2.5.2 Optic cooling circuit
– Pump over current
Alarm indication:
Alarm lamp
“
Alarms /
Overcurrent”
is lighting red. In the page
“Events“
“Overcurrent of DI water pump”
will be indicated.
Action:
This alarm will stop chiller operation. For possible reasons please see table 8.2.5.1.
Reset of the alarm:
After resolving the problem:
-
Reset the motor protection switch in position 1
-
Reset by pushing reset button in LaserNet
8.2.5.3 Laser cooling circuit
– Over current tank heater
Alarm indication:
Alarm lamp
“
Alarms /
Overcurrent”
is lighting red. In the page
“Events“
“Overcurrent of tap water heater”
will be indicated.
Action:
This alarm will stop chiller operation. Please check following reasons step by step:
Failure
Reason
Corrective