5. Troubleshooting
32
㩿㪉㪀The surface illumination bulb will not light.
Check1䋺
Is the power switch turned on?
YES No Turn on the power switch.
Check2䋺
Is the surface illumination switch turned on?
YES No Turn on the surface illumination switch.
Check3䋺
Is the light control knob properly set?
YES No
Turn the knob clockwise to increase the light intensity (if
turned fully counterclockwise).
Check4䋺
Is the power cord connected correctly?
YES No Connect the power cord correctly.
Check5䋺
Is the voltage selector set to the correct voltage?
YES No Set the voltage selector to the correct voltage.
Check6䋺
Is the bulb normal (conductive)?
YES No Replace the bulb.
Check7䋺
Is the fuse normal (conductive)?
YES No Replace the fuse.
Check8䋺
Is the voltage from the AC outlet normal (supplied)?
YES No Supply power to the outlet.
Check9䋺
Is the voltage at the AC inlet on the main unit normal (input)?
YES No Replace the power cord.
Contact Mitutoyo.
(3)The light intensity of contour illumination cannot be adjusted
(if the contour illumination switch is turn on ).
Check䋺
Is the contour illumination bulb lit?
YES No
Refer to "(1) The contour illumination bulb will not light".
Contact Mitutoyo.
