Owner`s manual
GP-PWM-30 
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Errors 
Over Voltage 
If the GP-PWM-30 experiences a 
battery over voltage (15.5V), the 
controller will stop operating and the 
display will begin to flash. The 
controller will resume operating 
when the error is cleared. 
Icons Displayed: Battery, Volt 
Symbol, Lightning Bolt 
Low Voltage 
If the GP-PWM-30 experiences the 
battery state of charge reaching 0 
%, a lightning bolt symbol will 
begin to flash in the lower right 
corner of the display. The 
controller will continue operating. 
The controller will only stop 
operating if the voltage drops 
below 6 volts. 
Icons Displayed: Battery, Percent Symbol, Lightning Bolt 










