LiftMaster RSW12U RSW12U Installation Manual - Page 32

Batteries, Troubleshooting, Diagnostic Codes

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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. DIAGNOSTIC 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 CODES The codes will show on the diagnostic display. PPrreessss aanndd hhoolldd tthhee SSTTOOPP bbuuttttoonn...... ...t.h..ethnepnrepsrsess anadnhdohldoltdhethe CLCOLSOESbEutton... button... .hbsd.h.oui.aOusst.olthnh.npPdttwedoothlEiantwnlseNhhyn"spe.oouEbrlnnrpoOdeu"trnstPitetlhtshsEo"esEeNanrn"d the display. OPEN, CLOSE, & STOP BUTTONS DIAGNOSTICS DISPLAY The operator will show the code sequence number followed by the code number: CODE SEQUENCE NUMBER The first number shown is the most recent code (example: "01"). The display will show the sequence of codes that occurred starting with "01" and going up to code "20". A SECOND LATER.... CODE NUMBER The second number shown after the code sequence number is the code itself (31-99, example" "31"). Refer to the chart on the following page for an explanation of each code. TO SCROLL THROUGH THE SAVED CODES TO EXIT Press and release the STOP button to exit. The display will also time out after two minutes of inactivity. Press the OPEN button Ptroescsycthlee tOoPtEhNe mbuotstot n toreccyecnlet ctodthee("m01o"s).t recent code ("01"). Press the CLOSE button PtorecsysctlheetoCLthOeSoEldbeusttton tcoocdyec(leuptototh"e20o"l)d.est code (up to "20"). The operator will only keep track of up to 20 codes, then will start saving over the oldest codes as new codes occur. TO RESET THE 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 code history has now been reset and the display will show "- -" until a new code occurs. 3. Press and release the STOP button to exit. 30

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30
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.
TO VIEW THE CODES
The codes will show on the diagnostic display.
TO SCROLL THROUGH THE SAVED CODES
A SECOND
LATER
....
The operator will only keep track of up to 20 codes, then will start saving
over the oldest codes as new codes occur.
The operator will show the code sequence number followed by the code
number:
NOTE:
When cycling or disconnecting power (ac/dc) to the control board, it is recommended that you unplug the J15 plug.
CODE NUMBER
The second number shown after the
code sequence number is the code
itself (31-99, example" "31"). Refer to
the chart on the following page for an
explanation of each code.
CODE SEQUENCE NUMBER
The first number shown is the most
recent code (example: "01"). The
display will show the sequence of
codes that occurred starting with "01"
and going up to code "20".
TO EXIT
Press and release the STOP button to exit. The display will also time out
after two minutes of inactivity.
TO RESET THE 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 code history has now been reset and
the display will show "- -" until a new code occurs.
3. Press and release the STOP button to exit.
TROUBLESHOOTING
DIAGNOSTICS DISPLAY
OPEN, CLOSE, & STOP BUTTONS
DIAGNOSTIC CODES
Press and
hold the
STOP
button...
...then press
and hold the
CLOSE
button...
...then press and
hold the OPEN
button until "Er"
shows on the
display.
Press the OPEN button
to cycle to the most
recent code ("01").
Press the CLOSE button
to cycle to the oldest
code (up to "20").