155YLS-K
DANGER
Risk of death from supply voltage
Coming into contact with energized lines and com-
ponents can lead to severe injuries or death.
ð Make certain that work on the voltage supply is
only performed by trained experts.
Fault diagnos-
tics / trou-
bleshooting
ð Check
• the voltage supply (see included technical data),
• the function of all phases,
• the status of the F1 fuse links in the cabinet of the laser,
• the function of the main power supply.
Message
Unexpected pump current
Type
Fault
Resetting
Manual
Description
The alarm Unexpected pump current is activated if a pump current is de-
tected in a laser module without the signal for the pump current release
having been sent. The alarm leads to the shutdown of the laser emis-
sion. The operating status Laser ready is reset. The status Laser error is
activated.
Possible
causes
There is an internal module error.
Analysis / trou-
bleshooting
ð Check which laser module is causing the fault.
ð To do this, open the rear door of the laser and remove the safety
fuse of the first laser module.
ð If the Unexpected pump current fault does not disappear, remove
the next safety fuse.
ð Check whether the error message is still present.
ð Repeat this process until the fault Unexpected pump current dis-
appears.
ð Leave the safety fuse of the laser module that is responsible for
the error open. You can close the safety fuses of the other laser
modules.
ð The laser can be put back into operation. Note that the laser
power of the laser is reduced.
Message
Splice box
Type
Fault
Resetting
Manual
| Appendix
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