Maxwell ULTRA 31/1800 Guide D'installation Et Manuel D'utilisation page 10

Engine Start Module
Troubleshooting
Flow Diagram
(Applies to All ESM Models)
Blinking
No
Red only
lights
Ensure the The Push-
ESM is To-Test
properly Button is
connected stuck in
and the
battery(s) depressed
are position.
providing Wiggle the
9V to 18V button to
to B+ & B- clear the
Terminals. fault.
Press the
Wait
Test Button
15 sec
Press the
Still No
Test Button
lights?
Correct Under or
Over Voltage
Condition or
Replace Battery(s)
and try again.
Disconnect B+ from
Battery(s) and allow
ESM to Cool Down.
Reconnect and try
again.
ESM has an Internal Fault or Failure and should be Replaced
Installation Guide and User Manual – 12V ESM
Document No.: 1017462.6 © 2012, 2013, 2014, 2015 Maxwell Technologies, Inc.
Press the
Test button
What do the
status lights
show?
Red On and
Green Blinking
Disconnect
B+ from
Battery(s)
Wait 20 sec.
and
reconnect B+
to Battery(s)
Press the
Test Button
Red On
No
& Green
Blinking?
Yes
Is Battery
No
Voltage between
9V to 18V?
Yes
Yes
Is ESM Hot
> 149°F?
No
Note: Status Lights are active for
only 10 seconds, and then the Test
Button must be pressed again.
Red Blinking
On Red and
only Green On
Disconnect
B+ from
Battery(s)
Wait 20
sec. and
reconnect
B+ to
Battery(s)
Press the
Test Button
Yes No
Red Still
On?
Press the
Test Button
No Issue
Blinking Green
Green On
only only,
ESM is
ready,
No
Faults
ESM is
charging.
Wait 15
min.
Press the
Test Button
Attempt
Engine
Start
Yes
Will the
engine crank?
No
ESM is OK. If engine still
will not start it is due to
some other cause.
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