Uncalibrated
The controller was not factory calibrated. Return the controller to an authorized dealer
for service.
Inspection and Maintenance
The following inspections are recommended two times per year for best long-term
performance.
System Inspection
Confirm the controller is securely mounted in a clean and dry environment.
Confirm that the air flow around the controller is not blocked. Clean the
heatsink of any dirt or debris.
Inspect all exposed conductors for insulation damage due to sun damage,
rubbing on nearby objects, dry rot, insects, or rodents. Repair or replace
conductors as necessary.
Tighten all power connections per the manufacturers’ recommendations.
Verify the LED and LCD indications are consistent with the equipment operation.
Note any fault or error indications. Take corrective action if necessary.
Inspect the battery bank. Look for cracked or bulging cases and corroded
terminals.
Inspect the system earth grounding for all components. Confirm all grounding
conductors are appropriately secured to earth ground.
Inside the MPPT Controller Wiring Box
CAUTION: Shock Hazard
Disconnect all power sources to the controller before removing the wiring box cover.
Never remove the cover when voltage exists on the controller power connections.
Check all wire terminals. Inspect connection for corrosion, damaged insulation,
signs of high temperature or burning/discoloration. Tighten the terminal screws to
the recommended torque.
Inspect for dirt, nesting insects, and corrosion. Clean as required.
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