Controls - 24 ST37x Operator’s Manual
Graphic Display
5. Diagnostic message
indicator
Appears when there is a
diagnostic trouble code.
This indicates a warning
code.
This indicates a stop code.
Go to Diagnostics menu to see the
active and stored error messages.
6. Glow plug indicator Lights when ignition switch is
on and engine ECU
determines glow plugs are
required to start machine.
7. DPF regeneration
indicator
Flashes if regeneration is
needed but has not occurred
yet.
Lights solid while
regeneration is occurring.
Item Description Notes