TM 9-4520-272-14&P
0005 00
Once the self test is complete, the heater will enter its startup procedure. The amount of time required for
the startup sequence to complete is dependent on the outside ambient temperature. Table 1 provides an
approximation of startup time versus outside temperature.
1
2
Table 1. LCFH Startup Time versus Outside Ambient Temperature.
LCFH STARTUP TIME
OUTSIDE TEMPERATURE
above 320F (00C)
2 minutes
320F to 00F (00C to 17.80C)
3 minutes
00F to -300F (-17.80C to 34.40C)
4 minutes
-300F to -650F (-34.40C to 53.90C)
5 minutes
During the startup sequence, a series of startup codes will be displayed on the operator control panel.
Table 2. lists the codes and their meaning.
Table 2. LCFH Startup Codes.
CODE
DESCRIPTION
CODE
DESCRIPTION
B-LO
Burner on low fire
B-HI
Burner on high fire
BPOS
Burner in post purge
BIGN
Burner ignition initiated
BPRE
Burner prepurge initiated
BOFF
Burner off
CRNK
Engine starter cranking
ERUN
Engine running
EOFF
Engine shutdown initiated
VXXX
Firmware code version
(XXX replaced with numbers)
STRT
Engine start sequence initiated
GLOW
Glow plug enabled
As the startup sequence progresses, the system will go through a fuel system purge sequence and the
glow plug on the diesel engine will be preheated.
0005 00-16
