Doosan D50S-5 Operation & Maintenance Manual page 93

The MI 04 systems are equipped with built in fault The MI 04 systems are equipped with built in fault
diagnostics. diagnostics.
displayed by the Malfunction Indicator Lamp (MIL) displayed by the Malfunction Indicator Lamp (MIL)
as Diagnostic Fault Codes (DFC) or flash codes, as Diagnostic Fault Codes (DFC) or flash codes,
and viewed in detail with the use of service tool and viewed in detail with the use of service tool
software. When the ignition key is turned ON the software. When the ignition key is turned ON the
MIL will perform a self-test, illuminate once and then MIL will perform a self-test, illuminate once and then
go OFF. If a detected fault condition exists, the fault go OFF. If a detected fault condition exists, the fault
or faults will be stored in the memory of the small or faults will be stored in the memory of the small
engine control module (SECM). Once a fault occurs engine control module (SECM). Once a fault occurs
the MIL will illuminate and remain ON. This signals the MIL will illuminate and remain ON. This signals
the operator that a fault has been detected by the the operator that a fault has been detected by the
SECM. SECM.
(1) Malfunction Indicator Lamp(MIL) for Engine control system (1) Malfunction Indicator Lamp(MIL) for Engine control system
Displaying Fault Codes (DFC) From Displaying Fault Codes (DFC) From
SECM Memory SECM Memory
To enter code display mode you must turn OFF To enter code display mode you must turn
ignition key. Now turn ON ignition key. Now turn
the engine. As soon as you turn the key to the ON the engine. As soon as you turn the key to the
position you must cycle the foot pedal by depressing position you must cycle the foot pedal by depressing
Detected Detected system system faults faults
ON the key but Do not start the key but Do not start
beginning of the code list. beginning of the code list.
can can be be
EXAMPLE: EXAMPLE:
(ETCSticking) and the engine has shutdown and the (ETCSticking) and the engine has shutdown and the
MIL has remained ON MIL has remained
displayed the MIL will flash one time ( displayed the MIL will flash one time (1 1 ), pause, then
flash two times ( flash two times (2 2 ). This identifies a twelve (
which is the beginning of the fault list. It will then which is the beginning of the fault list. It will then
pause for 1.2 seconds (long pause) and flash two pause for 1.2 seconds (long pause) and flash two
times ( times (2 2 ), pause, then flash six times ( ), pause, then flash six times (6 6 ). This
identifies a twenty-six ( identifies a twenty-six (26
fault. If any additional faults were stored the SECM fault. If any additional faults were stored the SECM
would again have a long pause, then display the would again have a long pause, then display the
next fault by flashing each digit. Since no other next fault by flashing each digit. Since no other
faults were stored there will be a long pause then faults were stored there will be a long pause then
one flash (1 1 ), pause, then two flashes ( one flash (
identifies a twelve meaning the fault list will begin identifies a twelve meaning the fault list will begin
again. again.
92 92
OFF the the
ON
A A code code 26 26 has has been been detected
ON. When the codes are . When the codes are
), pause, then
). This identifies a twelve (12
26), which is the ETCSticking ), which is the ETCSticking
), pause, then two flashes (2 2 ). This
Operation Section Operation Section
detected
12), ),
). This
). This