Multiquip DCA20SPXU4F - Manual (Page 58)

page 58 — dca20SpXU4F Servpro™ • operation and partS manUal — rev. #0 (07/16/14)
trOUbLeshOOtiNG DiaGNOstiCs
The engine controller of this generator diagnoses problems
that arise from the engine control system and the engine
itself. Press the diagnostic button on the diagnostic panel
(Figure 52) to determine if an engine malfunction has
occurred.
Figure 52. Diagnostic Panel
engine daUlt code diagnoStic procedUreS
1. Remove all loads from the generator and place all
circuit breakers in the OFF position.
2. Shutdown the engine and open the control panel.
3. On the control panel, place the
diagnostic switch in
the on (up) position to start the diagnostic process.
4. The diagnostic lamp will light continuously indicating
that there is a fault error in the engine or the engine
control system.
5. Push and hold the diagnostic button (Figure 53) to
identify the fault
Figure 53. Diagnostic Button
DIAGNOSTIC
LAMP
DIAGNOSTIC
BUTTON
DIAGNOSTIC
SWITCH
ON
OFF
FUEL PUMP
SWITCH ON
DIAGNOSTIC
BUTTON
6. The following will occur:
„ The diagnostic lamp will start blinking with a pattern
associated with the fault 3 times at an interval of 2.4
seconds.
„ If there are more than 2 fault codes are detected,
the diagnostic lamp will repeat the detected fault
codes blinking patterns in ascending order. After all
the detected fault codes are shown, it will repeat the
same sequence from the begining.
„ If no fault code is detected, the diagnostic lamp will
blink repeatedly at an interval of 2.4 seconds.
NOTICE
• When a fault has been detected, the fault code will
automatically be saved as a previous code in the ecm
even after the fault has been repaired.
• The diagnostic lamp indicates the current fault code
with the previous fault code in ascending order.
• When a fault occurs while the engine is running,
the diagnostic lamp will turn on indicating only the
current fault has occured. Please note that the
blinking fault code pattern cannot be displayed while
the engine is running.
NOTICE
For a complete understanding of error codes and
troubleshooting procedures, refer to the enclosed
engine instruction manual.