
B–70115EN/03
C. ERROR CODE LISTAPPENDIX
389
C
ERROR CODE LIST
No.
16L 0L
Contents Alarm level
4061 661 Anomaly in AD converter 1 ALARM 1
4062 662 Anomaly in AD converter 2 ALARM 1
4063 663 Anomaly in RF/DC power unit ALARM 2
4065 665 Anomaly in shutter action ALARM 2
4066 666 There exists discharge tube without
discharge
ALARM 2
4067 667 Overheat in laser oscillator ALARM 1
4068 668 Reflected laser beam back into oscilla-
tor
Shutter : close
Beam : off
in LSTR
4069 669 Anomaly in power unit voltage of IF
PCB
ALARM 1
4070 670 Anomaly in chiller unit ALARM 1
4071 671 Anomaly in assist gas unit Shutter : close
Beam : off
in LSTR
4072 672 Shortage of cooling water ALARM 1
4073 673 Decrease of laser gas supply pressure ALARM 1
4074 674 Overheat in Roots blower ALARM 1
4075 675 Condensation ALARM 1
4076 676 Decrease of laser output ALARM 1
4077 677 Overheat in beam absorber ALARM 1
4078 678 Anomaly in discharge tube gas pres-
sure control unit
ALARM 1
4079 679 Emergency button pressed ALARM 1
4080 680 Anomaly in exhaust pump/Leakage in
gas flow system
ALARM 1
4081 681 Anomaly in gas pressure control ALARM 1
4082 682 Anomaly in pressure sensor ALARM 1
4083 683 Shutter not open (in beam on state) Shutter : close
Beam : off
in LSTR
— 684 Anomalous selection of discharge tube ALARM 2