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.
Table 1. LCFH Startup Time versus Outside Ambient Temperature.
LCFH STARTUP TIME
above 320F (00C)
320F to 00F (00C to 17.80C)
00F to -300F (-17.80C to 34.40C)
-300F to -650F (-34.40C to 53.90C)
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.
Burner on low fire
Burner on high fire
Burner in post purge
Burner ignition initiated
Burner prepurge initiated
Engine starter cranking
Engine shutdown initiated
Firmware code version
(XXX replaced with numbers)
Engine start sequence initiated
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.