LiftMaster RSL12U RSL12U Troubleshooting Guide Manual - Page 27

MODELS RSL12U AND RSW12U, Check the incoming power., Check the control board., Check the batteries.

Get LiftMaster RSL12U PDF manuals and user guides View all LiftMaster RSL12U manuals
Add to My Manuals
Save this manual to your list of manuals

Page 27 highlights

MODELS RSL12U AND RSW12U SYMPTOM: Operator does not have power. POWER * (Back of Outlet Housing) Outlet Outlet OUTLET HOUSING DIAGNOSTICS Fuse CONTROL BOARD 3 Check the control board.* Try replacing the fuse on the control board. If that does not work, replace the control board. Black Green White J15 Plug HOT GROUND NEUTRAL Incoming Power Battery 12V 7AH Red Black 1 Check the incoming power.* Check breaker first, then check voltage coming into operator. The voltage should be 120 Vac. 2 Check the batteries.* Check the battery connections. Make sure one 7AH battery OR one 33AH battery is connected. Check the voltage coming from each battery by disconnecting the battery from the operator. A fully charged battery should read 12.8 to 13.3 Vdc per battery. If not, replace the batteries. 26

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
26
Black
Red
Battery
12V 7AH
CONTROL BOARD
OUTLET HOUSING
(Back of Outlet Housing)
Incoming Power
HOT
NEUTRAL
GROUND
Outlet
Black
Green
White
Outlet
J15 Plug
1
Check the incoming power.*
Check breaker first, then check voltage coming
into operator. The voltage should be 120 Vac.
3
Check the control board.*
Try replacing the fuse on
the control board. If that
does not work, replace
the control board.
DIAGNOSTICS
Fuse
2
Check the batteries.*
Check the battery connections. Make
sure one 7AH battery OR one 33AH
battery is connected. Check the voltage
coming from each battery by disconnecting
the battery from the operator. A fully charged
battery should read 12.8 to 13.3 Vdc per
battery. If not, replace the batteries.
*
POWER
MODELS RSL12U AND RSW12U
SYMPTOM: Operator does not have power.