IPG YLS-2000-K - Page 159

159YLS-K
Send the log files and the events file to support.europe@ipgphoton-
ics.com.
Message
Laser temperature too low
Type
Warning
Resetting
Automatic
Description
The warning Laser temperature too low indicates that the average mod-
ule temperature of all modules is below the permitted range limit of
19°C.
Possible
causes
• The laser stood for a prolonged period of time in a cold environ-
ment while the chiller was switched off.
• The parameterization of the laser chiller is faulty.
• The tank heater of the laser chiller is defective or not switched
on.
• The laser chiller is defective (e.g. expansion valve).
Fault diagnos-
tics / trou-
bleshooting
ð Switch on the laser chiller. The heating elements of the laser
chiller heat the water to the necessary temperatures.
ð Check the parameterization of the laser chiller.
ð Check the tank heater of the laser chiller.
IPG chiller:
ð Using the Chiller tab, determine what type of fault this is.
ð See Messages of the Chiller tab or read the operating manual of
the laser chiller for a detailed fault analysis.
Message
Dew point temperature too high
Type
Warning
Description
ð See Messages of the Dew Point tab .
Message
Module(-s) without voltage supply
Type
Warning
Description
The warning Module(-s) without voltage supply is activated when no
voltage is present in the power circuit.
Possible
causes
• The laser power supply is not switched on.
• The safety fuse of a module was tripped.
Analysis / trou-
bleshooting
ð Check whether the laser power supply is on (Laser ON).
ð Check the Modules tab to check the status of the modules (red or
gray background).
ð Check the safety fuses of all modules marked in red.
 | Appendix