DOC-IWS-621/A MON-920 Flat Screen Monitor User’s Guide15housing.4. Remove the blown fuse from the fuse compartment.5. Insert a new fuse of exactly the same rating into the fuse compartment.6. Replace the fuse compartment into the black plastic housing.7. Reconnect the AC power cord to the unit.8. The unit is now ready to power on.3.9 Cleaning or Replacing the Fan FilterThe fan is located on the back of the flat screen monitor. The filter should be cleaned orreplaced as needed, depending on the operating environment in your facility. Replacementfilters are available from Nematron (part number 272A0012). Call 800.NEMATRON and askfor Customer Care. There may be a minimum order charge.To clean or replace the filter:1. Verify that the flat screen monitor is powered off.2. Using a small flat head screwdriver, carefully pry the fan grill out of the fan housing,taking care not to pierce the filter.3. Remove the filter. Rinse the filter and dry it thoroughly. Also clean the fan grill, ifnecessary.4. Replace the filter and pop the fan grill back into place.5. The unit is ready to power on.