freightliner S2 Operator's Manual page 141

Propane Fuel System
Low Air Pressure Warning
The red low air pressure warning light and emer-
gency buzzer activate when the engine is turned on
if air pressure in the primary or secondary air reser-
voir is below 65 to 75 psi (448 to 517 kPa), and re-
main on until air pressure rises above that level in
both reservoirs.
The warning light and buzzer also activate during
operation whenever air pressure in the primary or
secondary air reservoir falls below 65 to 75 psi (448
to 517 kPa).
19.15
SELF TEST
The Self Test screens display the FCCC
logo in normal video (Screen A) and in
Startup Screen Enabled
Screen A
XXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXX
Screen Displayed
for 1.5 Seconds
Screen B
XXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXX
Screen Displayed
for 1.5 Seconds
DISPLAY
MESSAGES
02/06/2012
Fig. 19.10, Self Test
reverse video (Screen B)
Startup Screen Disabled
f040789
Headlight High-Beam Indicator
The blue high-beam indicator light (sideways beam
icon) illuminates when the headlight high beams are
on.
Wait to Start Indicator
The amber wait to start indicator light illuminates with
the ignition switch in the ON position prior to engine
start-up. Do not crank the engine until the wait to
start indicator light goes out.
Hydraulic Brake System Warning
The red brake system warning illuminates if there is
a hydraulic brake system failure, or if the vehicle is
powered and the engine is not running.