IOXUS
18 Stadium Circle
Oneonta, NY 13820
Toll Free: +1 877-751-4222
sales@ioxus.com 2/17/2021
DOC 1-0004 Rev B
© 2021 Ioxus. All rights reserved.
Operation
Status
The Status LEDs indicate uSTART
®
operation mode. The green and yellow LEDs indicate the mode. The
red LED indicates there is an error. The blue LED indicates a Bluetooth connection to the module. Refer to
Figure 4 for Status LED states.
uSTART® is connected.
There is no energy at the terminals
uSTART® is charging for the first time
or charging for a Jump Start
uSTART® is experiencing a fault.
Please see user manual for instructions
Figure 4: uSTART® Status LED States
Maintenance Mode
In Maintenance Mode, uSTART
®
terminals are not energized. It is safe to handle and work on when it is in
this mode. uSTART
®
should always be in Maintenance Mode prior to any maintenance.
If uSTART
®
is connected to a battery, the solid yellow LED indicates that it is in Maintenance Mode. If
uSTART
®
is not connected to a battery it will still have the protections of Maintenance Mode, even when
the LEDs are off.
If uSTART
®
is not in Maintenance Mode when it is disconnected from a battery, it will automatically switch
to Maintenance Mode within 7 seconds.
Run Mode
uSTART
®
is on and actively maintaining the vehicle’s voltage while in Run Mode. It can support engine
cranking currents for a few seconds or support vehicle loads for many seconds to several minutes. It is not
safe to handle or work on uSTART
®
when it is in Run Mode.
Run Mode is indicated by a solid green LED.
Standby Mode
If uSTART
®
is in Run Mode and a vehicle’s battery charging system has been inactive for more than 1 hour,
uSTART
®
will automatically enter Standby Mode in order to reduce energy consumption. If at any time
uSTART
®
detects a significant, rapid change in the voltage level (as will occur during engine start), uSTART
®
will automatically return to Run Mode and support the engine cranking event. It is not safe to handle or work
on uSTART
®
when it is in Standby Mode.
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