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Fuse Replacement
CAUTION: Rectify the cause of the blown fuse before replacing it.
Troubleshooting
Malfunction Indications. Any malfunction occurring in the unit is indicated on the
control panel screen. Up to four malfunctions can be indicated simultaneously as follows:
!!!TROUBLE!!!
E01:
POWER SUPPLY COVER OPENED
E02:
HEAD COVER OPENED
E03:
HIGH TEMPERATURE OF COOLANT
E04:
LOW TEMPERATURE OF COOLANT
HV: OFF
The first trouble indication line (E01), for example, gives the trouble code number (E01:) and the
source of the trouble (POWER SUPPLY COVER OPENED).
Malfunction Check List. Check the control panel screen indication and rectify the
trouble according to the following table:
990-605 REV B: May, 1997
MAIN-SHUTTER: OFF
LW250 PULSED Nd: YAG LASER
CHAPTER 8: SERVICE
POSITION: OFF
8-13
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