175
M4.3-1055-043
04 Rev. 10/09
ELECTRICAL
ACCESS 123...System
A1.9 Limp Traction; The display will show enabled or
disabled. Enabled indicates limp traction is allowed.
Disabled indicates limp traction is not allowed. This
could be due to a system fault. Navigate to "A1 Status"
or A1.10 submenu to continue.
When a truck has a service condition, limp travel allows
the truck to be moved to a maintenance area at a re-
duced travel speed. Travel is not permitted with some
service conditions and in these cases, limp travel will
be disabled.
A1.10 Steering; The display will show enabled or dis-
abled. Enabled indicates steering is allowed. Disabled
indicates steering is not allowed. This could be due to
a system fault. Navigate to "A1 Status" or A1.11 sub-
menu to continue.
A1.11 ED; The display will show enabled or disabled.
Enabled indicates the emergency disconnect circuit is
functional. Disabled indicates the emergency discon-
nect circuit is not functional. This could be due to a sys-
tem fault. Navigate to "A1 Status" or A1.12 submenu to
continue.
A1.12 Module; The ACCESS 123® modules are all
connected and communicate with each other. The dis-
play will show enabled or disabled. Enabled indicates
all modules are functioning properly and communicat-
ing. Disabled indicates one or more modules are not
functioning properly and communicating. This could be
due to a system fault.
Press the left arrow to return to A1 Status submenu.
Press the down arrow to scroll to A2 Inputs.
A2 Inputs
The RC 5500 truck has up to four ACCESS 123 mod-
ules. Each module receives input signals from electri-
cal components like switches, sensors, potentiometers
and encoders. A2 Inputs allows the technician to check
to see if these signals are received by the module. The
A2 Input submenus are sorted by ACCESS 123 mod-
ule.
If the truck is not equipped with a component specified
in the following menus and/or the proper features menu
enabled, the menu will not be available for display.
Press the right arrow to enter the submenus. Use the
up and down arrows to navigate to the desired sub-
menu.
A2.1 ACCESS 1; View inputs monitored by
ACCESS 1 display module. Press the right arrow to en-
ter the submenus.
A2.1.1 BRES; (optional battery retainer switches input)
to view inputs, features submenu F24 Battery Retainer
must be enabled. To check input, press the right arrow
and remove and install battery retainer. Battery re-
tainer in place = 1; switch closed. Battery retainer not
in place = 0; switch open. Press the left arrow to return
to A2.1.1 BRES submenu then down arrow to continue.
A2.1.2 BRKS; (brake switch input) to check input press
the right arrow and depress and release the brake
pedal. Brake pedal depressed = 0; switch open. Brake
pedal released = 1; switch closed. Press the left arrow
to return to A2.1.2 BRKS submenu then down arrow to
continue.
A2.1.3 DMS; (foot presence pedal switches; DMS1,
DMS2, and DMS3 input,) to check input, press the right
arrow and depress and release the floorboard. Floor-
board depressed = 1; switch closed. Floorboard re-
leased = 0; switch open. Press the left arrow to return
to A2.1.3 DMS submenu then down arrow to continue.
A2.1.4 HGST1; (height switch 1 input) to check input
press the right arrow and raise and lower the mast
above and below staging. Mast below staging = 0;
switch open. Mast above staging = 1; switch closed.
Press the left arrow to return to A2.1.4 HGST1 sub-
menu. Press the left arrow again to return to A2.1
ACCESS 1 submenu and then down arrow to scroll to
A2.2 ACCESS 2 submenu.
A2.2 ACCESS 2; View inputs monitored by
ACCESS 2 Hydraulic Control module. Press the right
arrow to enter the submenus.
A2.2.1 ORS; (optional lift cutout override switch input)
features menu F17 Raise Cutout must be enabled to
view this menu. To check input, press the right arrow
and actuate the switch. The display should indicate 0
when the switch is open and 1 when closed. Press the
left arrow to return to A2.2.1 ORS submenu then down
arrow to continue.
A2.2.2 LMS1; (optional lift/lower cutout switch input)
features menu F17 Raise Cutout must be enabled to
view this menu. To check input, press the right arrow
and raise/lower mast to the height needed to activate/
deactivate switch. The switch location (height) varies
with customer specifications. The display should indi-
cate 0 when the switch is open and 1 when closed.
Press the left arrow to return to A2.2.2 LMS1 submenu
then down arrow to continue.
Crown 2007 PF15628-43 Rev. 10/09
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