3M 2100 Service Manual

Also see for 2100: Illustrated parts breakdown

Contents

3M 2100 Service Manual Manual pdf 12 page image

9/92 3-1MODEL 2100 OVERHEAD PROJECTORSECTION 3 - TROUBLESHOOTINGSYMPTOM CHECK CAUSE/SOLUTIONSProjected image is:a. Corners of projected imageappear red (brown) or blue.b. Top, bottom, or sides ofprojected image are notfocused.c. Not as bright as it shouldbe.Focus mechanism slips or istoo tight.Lamp does not energize, butfan motor does energize.Neither lamp nor fan motorenergizes.- Is lamp of proper type? (Seelabel on underside of top cover)- Is lamp properly seated down inits socket and vertical?- If unit is equipped with a lampchanger, is changer lever fullyseated in the number oneposition?- Is lamp of proper type? (Seelabel on underside of TopCover)- Is lamp properly seated down inits socket and vertical?- If unit is equipped with a lampchanger, is changer lever fullyseated in the number oneposition?- Are any of the opticscomponents noticeably"knocked" out of alignment?- Is lamp of proper type? (Seelabel on underside of TopCover)- Is lamp properly seated down inits socket and vertical?- If unit is equipped with a lampchanger, is changer lever fullyseated in the number oneposition?- Has another FNT lamp beentried?- Focus tension screw needsadjustment- Is lamp burned out?- Is lamp of proper type? (Seelabel on underside of top cover)- Is lamp properly seated down inits socket and vertical?- If unit is equipped with a lampchanger, is changer lever fullyseated in the number oneposition?- Is power cord plugged intoelectrical outlet?- Is outlet supplying power toprojector?- Damaged or misadjusted opticscomponents (requiresrealignment of optics).- Head "knocked" out ofalignment.- Adjust Color Tuning- Adjust optics components(requires realignment ofoptics).- Lamp not seated.- Reflector- Condenser- Replace lamp.- Damaged or misadjusted opticscomponents (requiresrealignment of optics).- Corroded wiring connection.- Wrong lamp on- Reflector broken/missing- To tighten, turn screwcounterclockwise. To loosen,turn clockwise. Add update kitif required. (see next page)- Replace lamp.- Replace overheat thermostat.- Replace lamp sensing switch(only on projectors equippedwith lamp changer).- Loose or broken wireconnection.- Defective power supply.- On-off switch defective.- Defective interlock switch.- Loose or broken wireconnection.- On-off switch out ofadjustment.- Replace Fuse (if equipped)