Troubleshooting
PV Charge Control Troubleshooting
The following table lists possible problems that may arise when using the
Table 4-1 PV Charge Control Problems
Problem | Possible Cause | Solution |
|
|
|
Controller is | PV positive and | Verify the voltage on PV |
overcharging battery | Battery positive wires | terminal and Battery |
(verified by measured | have been swapped. | terminal are from the |
current through the |
| correct sources. |
controller). |
|
|
|
|
|
Controller is locking up. | PV positive and | Verify the voltage on PV |
| Battery positive wires | terminal and Battery |
| have been swapped. | terminal are from the |
|
| correct sources. |
|
|
|
Status LED Blinks | PV wires are | Verify PV polarity relative |
Orange after switching | connected in reverse | to battery negative. |
on array breaker. | polarity. |
|
|
|
|
Status LED Blinks | A. Controller is | A. Check ambient air |
Orange at times during | overheating. | temperature around |
the solar day. | B. Array is supplying | controller. |
| more current than the | B. Divide array with |
| controller is rated for. | another controller or use |
| (Press reset button and | larger controller. |
| measure current). |
|
|
|
|
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