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ELECTRONIC TROUBLESHOOTING E-78 & E-88
VIEW SW VERSIONS: (Press Sel) This
selects a device to display its software version number.
On PCM and HCM “Internal Software Revision” refers
to the software for the device that resides in the RCM.
“External Software Revision” refers to the software that
resides in the external device. Press Exit to leave.
PROGRAM DEVICES: (Press Sel) This feature
allows field upgrades to the external device software.
Select the device to program. If the software version
of the external device is the same as the version of
software for it stored in the RCM, programming will not
be done. Follow instructions on screen. Press Exit to
leave.
SHK This option only available for 10 seconds after
a “joy stick movement”(up, down, left, right). Press
soft key below SHK to activate the “Shake” operation.
This will cause the moldboard to shake back and forth
for approximately 3 seconds to dislodge any snow on
moldboard.
WW Press soft key below WW to activate “WigWag”
lighting. Parking lights on plow lights will toggle on/off
from side to side
Menu Press soft key below Menu to access other
menu selectable actions:
(All Blade movement functions are disabled
while in Menu screens)
DIAGNOSTICS: (Press Sel) This will display any faults
that have been detected, Press Next to scroll through
selections. Press Exit to leave.
FIND DEVICES: (Press Sel) This searches for external
modules/devices such as HCM, PCM and will display
those that are found. Press Exit to leave.
REMOTE SETTINGS: (Press Sel)
BUTTON CLICK: This feature Enables/Disables the
button “beep”. Press Exit to leave.
DISPLAY CONTRAST: This feature increases or
decreases the LCD contrast. Press Exit to leave.
HEADLIGHTS:
Use the truck’s OEM light switch to control OFF/LO/HI
beams.
At initial Power On – Plow lights will be set to Daytime
Running Lights (DRL).
Move OEM switch to headlights ON – Plow lights
will shine LO or HI depending on position of OEM
switch.
Move OEM switch to headlights OFF – Plow lights go
to DRL (GM vehicles may illuminate its DRL also)
TURN SIGNAL:
Plow lights will follow OEM switch – (vehicle signals
will also illuminate but may not be synchronized with
the plow lights)
PARK LIGHTS:
Plow lights will follow OEM switch – (vehicle park lights
will also illuminate)
To Turn Off Plow lights: Power off the RCM.
NOTE: All lights, including interior and dash
lights will dim while hydraulic unit is operating.
At RCM power off the plow lights will all be
shut off and the lighting control will transfer back to
the vehicle. If OEM headlight switch is ON at RCM
power off, vehicle lights will shine. If OEM headlight
switch is ON and PCM power is removed while RCM
is still On, light control will transfer to vehicle.
MOUNT: There is a 20 second period after plugging
in the Plow in which to operate the Mount switch. This
Switch is located on the hydraulic unit cover. During
this 20 second period, the moldboard functions are
disabled. The moldboard functions are disabled for 15
seconds after the Mount switch is released. The pump
motor will shut down if the Mount switch is held on for
more than 30 seconds. If 20 seconds runs out unplug
and replug to reset timer.
DISMOUNT: There is a 1 minute period after the RCM
has been normally powered off in which to dismount
the plow. The switch is located on the plow control
cover. During this 1 minute period the blade functions
are disabled. If the PCM remains powered on, after
the 1 minute period the lights will flash twice quickly
to indicate the dismount period has ended.
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