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83
December 2020
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Solar Stik
®
, Inc.
System Setup and Operation Manual for the Solar Stik G-BOSS E Light HPS
PRELIMINARY
Err 21 - Current sensor issue
This error will not auto-reset. Disconnect all wires, and then reconnect all wires. Also, make sure
the minus on the MPPT solar charge controller (PV minus/Battery minus) is not bypassing the solar
charge controller.
If the error remains, please contact Solar Stik Technical Support.
Err 26 - Terminal overheated
Power terminals overheated, check wiring, including the wiring type and type of strands, and/or
fasten bolts if possible. This error will auto-reset.
Err 28 - Power stage issue
This error will not auto-reset. Disconnect all wires, and then reconnect all wires. If the error persists
the solar charge controller is probably faulty. Contact Solar Stik Technical Support.
Err 33 - PV over-voltage
This error will auto-reset after PV voltage has dropped to safe limit. This error is an indication that
the PV-array configuration with regard to open-circuit voltage is critical. Check the PV panel spec,
configuration, and if required, reorganize panels.
Err 34 - PV over-current
The current from the PV-panel array has exceeded 75 A. This error could be generated due to
an internal system fault. Disconnect the Power Hub from all power-sources, wait 3 minutes, and
power-up again. If the error persists the controller is probably faulty, contact Solar Stik Technical
Support.
Err 38, Err 39 - PV Input shutdown
To protect the battery from over-charging the panel input is shorted. Possible reasons for this error
to occur:
• There is another device connected to the battery, which is configured to a higher voltage.
• The battery is disconnected using a manual switch. Ideally the charger should be switched
off before disconnecting the battery to avoid a voltage overshoot on the charger output. If
necessary the voltage trip-level for the PV short protection can be increased by raising the
equalization voltage set-point. (
Note:
Equalization does not have to be enabled in this case.)
Error recovery:
• Error 38:
First disconnect the PV panels and disconnect the battery. Wait for 3 minutes, then
reconnect the battery first and next the panels.
• Error 39:
The Power Hub will automatically resume operation once the battery voltage drops
below the max charge level for 1 minute.
If the error persists the one or more solar charge controller is probably faulty. Contact Solar Stik
Technical Support.
