Doosan GV158TIC, Operation & Maintenance Manual

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Disassembly and Reassembly of Major Components - 108 -
3.6.6. Ignition control module diagnostics
1) A diagnostic fault represents the most severe classification of problems. The presence of a diagnos-
tic fault will inhibit the ignition from firing. When a fault is detected several things will occur:
(a) The ignition will stop firing.
(b) The Fire Confirm Out switch will open.
(c) The Fault Out switch will open.
(d) The Alarm Out switch will open.
(e) The Alarm LED in the ignition unit will turn on.
(f) The home status will read Fault, and the bottom line will flash View Diagnostics.
Note:
Diagnostic FAULTS will supersede
diagnostic WARNINGS.
2) A diagnostic warning represents the least
severe classification of problems. The
ignition will continue to fire in the pres-
ence of a diagnostic warning. When a
warning is detected, several things will
occur:
a) The Alarm Out switch will open.
b) The Alarm LED in the ignition unit will
turn on.
c) The home status will read WARNING ,
and the bottom line will flash View
Diagnostics.
3) If the Alarm Out switch is being used to
turn on an audible alarm or flasher, the
user can acknowledge the alarm as
described below.
EGV2218030
FAULT
VIEW
0 rpm
DIAGNOSTICS
WARNING
VIEW
3000 rpm
DIAGNOSTICS
EGV2218031
EGV2218032
ALARM
ACK