1. Error Display and How to Take a Measure
187
ML-5120A
Chapter 2 Inspection and Measure To Be Taken at Occurrence of an Error
Introduction Part Operating Part Maintenance Part Appendixes
Installation and
Preparation Part
No. Contents of error LD
Alarm
output
Measures
027 AC POWER DOWN(PDI) OFF ON
A temporary blackout of AC power supply was de-
tected.
Check the power supply environment.
This may be detected when repeating ON/OFF
operation of the LD power supply within 5 seconds.
Refer to the Appendixes, “Timing Chart.”
028 INTERLOCK SIGNAL ERROR OFF ON
An error of unknown cause has occurred with the
interlock.
Consult us.
030
031
032
COOLING FAN 1 TROUBLE
COOLING FAN 2 TROUBLE
COOLING FAN 3 TROUBLE
OFF ON
The cooling FAN has stopped.
Inform Error No. and FAN No. to us.
035 LASER POWER OUT OF RANGE - -
The monitor value of laser energy is out of the
range of "HIGH" and "LOW" set on the MONITOR
screen. → P.76, P.115, P.118, P.119, and P.137
Check "HIGH" and "LOW" settings. If monitored
value is abnormal, consult us.
036
LASER CONTROL PARAMETER
ERROR
OFF ON
A set value of laser energy (PEAK POWER, output
time, REPEAT) exceeds the capacity.
The error message is displayed when inputting the
set value. The set value is reset to the value before
the change.
037 VIBRATION DETECTED OFF ON
Shock and vibration has been detected.
Check around any other trouble. After checking that
nothing is damaged, press the RESET button.
038 LD TEMP ERROR OFF ON
The LD temperature is too high.
Clean air lter and check environment to check that
nothing blocks air ow. Inform environmental tem-
perature, setting power, and laser processing time
to us.
039 POW TEMP ERROR OFF ON
The LD power supply temperature is too high.
Clean air filter and check that nothing blocks air
ow.
040 RELAY BOARD ERROR OFF ON
An error has occurred with the relay board unit.
Consult us.
042 COOLER ERROR OFF ON
An error has occurred with the optional cooler.
Check Error No. on the cooler panel and see the
operation manual of cooler.
043 HEAT DETECTOR ERROR OFF ON
The communication line between the heat detector
and the laser controller is abnormal. → P.55
Check the connector.
The voltage of the heat detector may be low. Check
the connector, and if the trouble will continue even
after the RESET button is pressed, consult us.
045 FC-LD POWER DOWN OFF ON
It is getting close to the time to replace the FC-LD.
This error function is active when the LD check
(Refresh) is done. Refer to the explanation of the
LD STATUS screen on page 70.
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