LiftMaster CSW24VDC CSW24VDC Installation Manual - Page 36

TROUBLESHOOTING To protect against fire and electrocution: • DISCONNECT power (AC or solar and battery) BEFORE installing or servicing operator. For continued protection against fire: • Replace ONLY with fuse of same type and rating. ERROR CODES NOTE: When cycling or disconnecting power (ac/dc) to the control board, it is recommended that you unplug the J15 plug. TO VIEW THE ERROR CODES The error codes are shown on the error code display. Press and hold the STOP button... ...then press and hold the CLOSE button... ...then press and hold the OPEN button until "Er" shows OPEN, CLOSE, & STOP BUTTONS ERROR CODE DISPLAY COM LINK BA The operator will show the error sequence number followed by the error code number: ERROR SEQUENCE NUMBER The first number shown is the most recent error (example: "01" shown below). The display will show the sequence of errors that occurred starting with "01" and going up to error "20". A SECOND LATER.... ERROR CODE NUMBER The second number shown after the error sequence number is the error code itself (31-99, example" "31" shown below). Refer to the chart on the following page for an explanation of each error code. AC & BATT FAIL BACKDRIVE TO SCROLL THROUGH THE SAVED ERROR CODES TO EXIT ERROR CODE DISPLAY Press and release the STOP button to exit. The error code display will also time out after two minutes of inactivity. Press the OPEN button to cycle to the most recent errors ("01"). Press the CLOSE button to cycle to the oldest error (up to "20"). The operator will only keep track of up to 20 errors, then will start saving over the oldest errors as new errors occur. TO RESET THE ERROR CODE HISTORY 1. Press and hold the STOP button for six seconds. The display will show "Er" then "CL" alternately for six seconds. 2. Release the STOP button. The error history has now been reset and the display will show "- -" until a new error occurs. 3. Press and release the STOP button to exit. 35