Genie GCL-MJ&MH Manual 

Also see for GCL-MH: Product guide Manual Wiring diagram

6.4WARNING: The Limit Overrun function will overrideexternal reversing devices, including photocells and sensing edges orreversing edges. Therefore,any externally connected devices will bedisabled during that portion of the door travel controlled by the LimitOverrun function.The Down Limit Overrun function should be used to close the door nomore than the final 2".A) The Limit Overrun setting is a matter of trial and error. The goal is to adjustthe Limit Overrun until an appropriate seal is obtained between the bottomedge of the door and the floor.B) The Limit Overrun setting can be varied between 0 and 9. 0 - disables theLimit Overrun so that the door stops at the down limit switch setting.9 - causes the greatest amount of door travel beyond the limit switch setting.Door should close gently with light tension on door cables,or minimal stackingon rolling steel slats.1) Press CAL-RUN to enter calibration mode2) Press scroll ( ) until the display reads “LIMIT OVERRUN >(0-9).” Fig. 8.3) Press SET/CLEAR until the display reads the desired value.4) Press the OPEN key to open the door a few feet,then release5) Press the CLOSE key to close the door and hold until the operator stops.6) Check the door seal and repeat steps 3-5 until the appropriateseal is obtained between the door and the floor.CAUTION:If proper seal cannot be obtained at a setting of9, Reset the Limit Overrun back to 0 and reset the Down Limit position asdescribed on pg. 6.3. Then adjust the Limit Overrun as instructed above.7) Press CAL-RUN to return to run mode.Setting Limit OverrunLIMIT OVERRUN 0Figure 8www.geniecompany.com 08-12Medium Duty OperatorGCL-MJ&MH