Phaesun Solar charge controller 310131 Manuel D’Utilisation

 

 

 

6. Troubleshooting 

Problem 

Possible Cause and Solution 

The symbol

flashing, no 

charge or discharge. 

Battery is over-voltage, check battery voltage, and whether the cables are well-connected 
or not, re-connect all components. 

The symbol

flashing and 

no output. 

Battery is over-discharge and empty. Please use the battery after it is fully charged. 
Disconnect the battery and recover it with charger device if the battery is over discharge 
for a long time. 

The symbol

flashing and 

no output. 

Overload. Please check the load, remove the extra or abnormal load, press "Esc" button to 
recover. 

The symbol

flashing 

and no output. 

Short-circuit. Please check load and wiring, remove the short-circuit hazard or damaged 
load, press "Esc" button to recover. 

No LCD display. 

1. LCD wire connection might be loose, please open controller case to check. 

2. The fuse might be burnt due to the battery reverse connection, please open controller 

case to check. 

3. Battery is empty or virtual connection, please check the battery voltage and examine 

whether the wire connection is firm or not. 

If your phenomenon is out of above descriptions or should you have any problems about these products, please contact our 
after sales service department or sales man to repair or replace. 

 
7. Installation Environment 

 

1. Avoid operating the apparatus under direct sunshine, blazing sun, and rainy, moist, acid mist environment, etc. 

 

2. Keep the apparatus away from flammable and explosive gas or hazard, including flame and spark. 

 
8. Guarantee and Liability 

One year warranty is available for our product from the date of delivery. If the product is out of warranty or damaged by 
transportation, inappropriate operation, human factors, force majeure, no guarantee is made. 

Phaesun GmbH · Brühlweg 9 · 87700 Memmingen · Germany · Telefon +49 (8331) 990 42-12 · 

i

nfo@phaesun.com · 

www.phaesun.com