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PROTECTOR® IV Top of Rail Installation, Operation & Maintenance Manual
Charge Controller
The PROTECTOR IV’s charge controller has lights indicating battery conditions as well as charging condition.
These will help to determine causes of electrical problems; this applies to DC voltage units only.
Symptom
Possible Causes
Possible Solutions
Indicator lights do not
turn on
No battery power
Check battery and charge controller
connections
Defective battery
Replace battery
Too dark
A solar panel will only work during daylight
hours
Green LED indicating
sunlight is not lit
No voltage
Check wiring connections
Defective solar panel
Replace solar panel
Battery voltage too low
Charge battery
Defective charge controller
Replace charge controller
Solar Panel
The solar panel has the job of ensuring that enough voltage reaches the charge controller, the table below
indicates possible problems.
Symptom
Possible Causes
Possible Solutions
Battery is not charging
properly
Sun is blocked from solar panel by
a physical obstruction
Change location of solar panel or remove
obstruction
Solar panel face is dirty
Clean solar panel with mild detergent
Loose or corroded wire terminals
to battery
Tighten or replace wire terminals
Defective solar panel
Replace solar panel
Pump and Motor
The pump and motor are considered one system when troubleshooting.
Symptom
Possible Causes
Possible Solutions
Motor operates
erratically when DCB is
set to prime
Battery charge is below 11.5v DC
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Charge battery
Defective battery
Replace battery
Defective DCB
Replace DCB
Motor will not start
when DCB is set to
Prime
Defective fuse
Replace fuse
Brushes stuck in DC motor
Check brushes
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not pump from tank
into distribution hoses
Blockage at the pump inlet from
foreign object
Remove blockage
Clean tank if necessary
Blockage at pump inlet due to
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