operation of the electronic instrument panel for 3500
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OPERATION OF THE ELECTRONIC INSTRUMENT
PANEL FOR 3500 ELECTRONIC ENGINES
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This is a standard panel on 3500 electronic engines . Whether its
a 3508 , 3512 or 3516 B or C model engine . It has 3 modules
for the operator to monitor the engine as its running . The main
Display module is the brain of the panel . It receives the data
information from the ECM (computer ) and sends the informationto the appropriate gauge in the gauge cluster . It also has a digital
read out for the rpm ( tach ), hour meter , load factor , fuel
consumption and all the gauge readings for pressure and
temperatures . An operator , or mechanic , can get a lot of
information just by scrolling through gauges to check engine
operation to see if theres a problem present .
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As I discuss the components of the panel , I will follow it with a
picture showing the components location . On the front of the
panel you will find 3 modules on the left , the first one being the
Main Display Module , this module has the digital read out windowand all the warning and shutdown lights . You will find 2 rows of
light indicators. The top row is the RED lights , which are for
critical issues going on with the engine . The lower row is the
AMBER colored lights , which are warning lights , such as low
water level , low fuel psi , high water temp and so on .
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Main Display ModuleThe top row of lights , from left to
right , STOP LIGHT , LOW BATTERY
VOLTAGE , OVERSPEED ,
OVERCRANK and NOT IN AUTO .
These lights will blink RED the
lower set of lights are AMBER ,
for WARNINGS . From left to right
, LOW OIL PSI , HIGH WATER TEMP ,
LOW WATER TEMP , LOW WATER
LEVEL AND LOW FUEL PSI . Low
fuel psi is on the ADEM III
electronic system
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Top row left to rightGA-1 , GA-2
Bottom row left to right
GA-3 , GA-4
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The gauge module below the EMS module has the gauges for
GA-5 thru GA-8 .Ga-5 exhaust temp ( left/right bank )
ga-6 air filter restriction ( left/right )
ga-7 fuel filter restriction
ga-8 oil filter restriction
When ga-6,7 and 8 reach 15 psi restriction , it will set off the
STOP LIGHT to start blinking , but it will not show a diagnostic
code if you go to MODE 2 on the EMS module . You can see the
problem on CAT ET . You can see the problem by looking at ga-6
thru ga-8 . If the needle on the gauge is to the right of the centermark in the gauge , the filter for that gauge needs to be replaced .
Most of the time its ga-7 . Fuel filter restriction . This is the fuel
filters on the engine NOT THE RACOR filters .
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Top row left to right
Ga-5 exh temp ( left/right bank )
Ga-6 air filter restriction ( left/right )
Ga-7 engine fuel filter restriction
Ga-8 engine oil filter restriction
To switch from LEFT to RIGHT BANK FORGa-5 and Ga-6 , use the toggle switch to
the left of the module . Flip up for LEFT
BANK and flip down for RIGHT BANK .
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To scroll through the panel and read the gauges , on the left side
of the panel you will see 3 toggle switches . The top one is to
scroll , the middle one , push up to clear a code , push down to
get to the different Modes of display .
Mode 1 - Gauge readingsMode 2 - diagnostic codes
Mode 3 Selftest, tattle tail
Mode 4 US/Metric
Mode 5 Harness code
The bottom toggle switch is to select LEFT bank or RIGHT bank
when looking at the exhaust temp of air filter restriction .
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Push up and watch the
digital display in the EMS
module , it will switch
from RPM to the Hour
meter . The hour meter
will show an hour glass on
the left side .
Watch the digital display area and
push down to get to the mode you
want to look at . You will see 1,2,3,4
and 5 . When you see the mode
number you want , let go of the
toggle switch .
On Ga-5 and Ga-6 , up for
LEFT BANK or down for
RIGHT BANK
To see the hour meter ,
battery voltage , diagnosticcodes with the engine not
running , turn the start
selector switch to either the
AUTO or COOL DOWN/STOP
position and it will power up
the panel
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Go to Mode 1
Hold the middle toggle switch down until you see the number 1 in the
EMS digital display and let go
The first thing you will see will be the word
LOAD this is the load factor on the engine .
Push the top toggle switch up to scroll through MODE 1 . The next thing
you see will be FL-0 , this will show you the current fuel consumption as
the engine is running . Push the scroll switch up again and you see FL-1
, this will show total fuel consumption from the time the engine was new
until current time . Push up again and see Ga-1
Engine oil pressure . Every time the display changes , let go of the scroll
toggle switch . Next will be Ga-2 , engine jacket water temp
Ga-3 , Engine battery voltage
Ga-4 , engine fuel pressure and so on until you get to Ga-8 . Scroll up
again and it will take you bake to the LOAD factor .
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Mode 2
Hold down the middle toggle switch and when number 2 shows , let go of the
toggle switch . If all you see is (---) , this means there is no diagnostic codes
present . If the STOP LIGHT on the EMS is blinking , check the Ga-6, 7 and 8 .If there is a code present , it will first show 030 or 036
be sure to pay attention to these two code numbers . Its very important . 030 is
a DATA related code and 036 is a component related code . They can have a 6digit code number following them , but it will mean different things . After you
see 030 or 036 , it will be followed by a 6 digit number , example , 0168 02 .
Push the top toggle switch up to scroll through mode 2 to see if there is more
than one code . If there is only one present , when you scroll through it , it will
show the word END On the end of the panel , you will find a chart with mostof the code numbers you will see in the digital display area of the EMS . If you
have to call a service tech , tell them the complete code number like 036 0168
02 , or whatever the codes are you see .
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Code chart on the end of the
panel
top related