
1 . Error Display and How to Take a Measure
237
MF-C2000A Series
Chapter 2 Inspection and Measure T
o Be T
aken at Occurrence of an Error
Introduction Part
Operating Part
Maintenance Part
Appendixes
Installation
and
Preparation
Part
No .
Contents of error
LD
Alarm
output
Measures
198
199
BRANCH MIRROR 1 FALLEN AWAY
BRANCH MIRROR 2 FALLEN AWAY OFF
ON
A branch unit fault. A mirror on the branch side is
not detected. The branch mirror may be fallen.
Press the TROUBLE RESET button. If the trouble
will continue even after the above measures, con-
sult us.
200
CHILLER TROUBLE
OFF
ON
An error has been detected in the chiller. → P.40
Check connection between the chiller and the laser
welder.
Check operation of the chiller.
When an alarm is displayed, see the operation
manual of the chiller to eliminate the cause of trou-
ble.
AL31: Detected when flowrate to optical fiber is
outside the range of 1.5 to 2.5 ℓ/min. and to
laser welder is outside the range of 15 to 25
ℓ/min.
AL32: Detected when the power to the laser welder
is turned OFF when the chiller is ON.
201
WATER LEAK
OFF
ON
There is water leak.
Consult us.
202
WATER TEMP HIGH ERROR
OFF
ON
Increase the cooling water flow rate.
Check if the cooling water circulates normally.
203
WATER TEMP LOW ERROR
OFF
ON
If the ambient temperature is low, it takes time to
raise the cooling water temperature.
204
DEW CONDENSATION ALARM
OFF
ON
The cooling water is too cold, or the air is too hu-
mid.
Place the Laser in an atmosphere under the speci-
fication.
205
206
THERMAL 1 ERROR
THERMAL 2 ERROR
OFF
ON
Abnormal temperature of the internal unit.
After waiting for several minutes, press the TROU-
BLE RESET button.
207
LDPS MONITOR VOLTAGE HIGH
OFF
ON
Abnormal voltage of the LD unit.
Consult us.
209
NEGATIVE/OPEN-PHASE DETEC-
TION
OFF
ON
Negative-/open-phase detective sensor is working.
Turn primary-power off, and check source power.
210
INTERNAL UNIT TEMP WARNING
(W01)
-
-
Increase the cooling water flow rate.
Check the cooling water flow normally.
211
BACK REFLECTION HIGH (W03)
-
-
It's too strong back reflection.
Adjust the power setting to reduce back reflection.
212
LD POWER SUPPLY WARNING
(W05)
OFF
ON
Abnormal voltage of the LD unit.
If it has not been better by restarting, consult us.
213
INTERNAL UNIT OUTPUT LOW
(W07)
-
-
Another FLU unit is required to get rating power.
Consult us.
214
BACK REFLECTION HIGH ERROR
(A01)
OFF
ON
It's too strong back reflection.
Adjust the power setting to reduce back reflection.
Summary of Contents for MF-C2000A Series
Page 1: ...AA04OM1209213 07 FIBER LASER WELDER MF C2000A Series OPERATION MANUAL ...
Page 21: ...Introduction Part ...
Page 22: ......
Page 34: ......
Page 42: ......
Page 43: ...Installation and Preparation Part ...
Page 44: ......
Page 73: ...Operating Part ...
Page 74: ......
Page 78: ......
Page 142: ......
Page 212: ......
Page 213: ...Maintenance Part ...
Page 214: ......
Page 232: ......
Page 244: ......
Page 245: ...Appendixes ...
Page 246: ......