BL-2 Diesel Engine
38
Troubleshooting Proto-Sound® 3.0 Problems
Although Proto-Sound® 3.0 has been designed and engineered for ease of use, you
may have some questions during initial operation. The following table should answer
most questions. If your problem cannot be resolved with this table, contact M.T.H. for
assistance (telephone: 410-381-2580; fax: 410-423-0009; [email protected], 7020
Columbia Gateway Drive, Columbia MD 21046-1532).
Starting Up
Solution
Only my headlight comes on, nothing else.
This is normal behavior. The super capacitors
are charging and this will take between 1-20
seconds.
When I first turn the power on, the engine will
not begin to run.
This is normal behavior. To prevent acciden-
tal high-speed start-ups, Proto-Sound® 3.0 is
programmed to start up in neutral anytime track
power has been turned off for several seconds.
See the “Basic Operation” section for more
details.
The engine will not start after I press the Direc
-
tion button.
You may not be sending enough power to the
track to power the engine. Rotate throttle clock-
wise to increase track power.
Horn
Solution
I can't get the horn to blow when I press the
Horn button.
You may be pressing the button too quickly. Try
pressing the Horn button more slowly, taking
approximately one full second to fully depress
the button.
Bell
Solution
I can't get the bell to ring when I press the bell
button.
You may be pressing the button too quickly.
Try pressing the bell button more slowly, taking
approximately one full second to fully depress
the button.
Coupler
Solution
When I try to fire the coupler, PFA starts.
You are waiting too long between Horn button
presses. See the timing instructions located at
the beginning of the "Proto-Sound 3.0 Operating
Instructions" section.
The Proto-Coupler won't let the engine uncouple
on the fly.
Try lubricating the coupler knuckle and rivet with
a dry graphite lubricant.
The coupler does not fire or stay coupled.
The coupler needs to be cleaned. Wipe with de-
natured alcohol (not rubbing alcohol) and let dry.
The rear coupler does not fire, but coupler
sounds play.
Check position of Auxiliary Proto-Coupler
Control Switch. Switch Should be in the “OFF”
position for the rear coupler to fire.
Cab Chatter
Solution
Sometimes the Cab Chatter sounds don't play.
Cab Chatter plays only in neutral at random
intervals.
Conventional AC
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