Troubleshooting; Diagnostic Codes - Chamberlain RSW12U Installation Manual

Residential dc vehicular swing gate operator
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To protect against fire and electrocution:
• DISCONNECT power (AC or solar and battery) BEFORE installing or
servicing operator.

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.
...then press
...then press
and hold the
and hold the
CLOSE button...
CLOSE
Press and
Press and
button...
hold the
hold the
STOP
STOP
button...
button...
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".
TO SCROLL THROUGH THE SAVED CODES
Press the OPEN button
to cycle to the most
Press the OPEN button
recent code ("01").
to cycle to the most
recent code ("01").
The operator will only keep track of up to 20 codes, then will start saving
over the oldest codes as new codes occur.

TROUBLESHOOTING

...then press and
...then press
hold the OPEN
and hold the
button until "Er"
OPEN button
shows on the
until "Er"
display.
shows on
the display.
CODE NUMBER
The second number shown after the
A SECOND
code sequence number is the code
LATER....
itself (31-99, example" "31"). Refer to
the chart on the following page for an
explanation of each code.
Press the CLOSE button
to cycle to the oldest
Press the CLOSE button
code (up to "20").
to cycle to the oldest
code (up to "20").
For continued protection against fire:
• Replace ONLY with fuse of same type and rating.
DIAGNOSTICS DISPLAY
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.
30
OPEN, CLOSE, & STOP BUTTONS

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