CROC TPS20, Product Manual, Page: 11 / 16

11 | CROC Trough Pump Systems ‘TPS20
TM
Product Manual’
TPS20
TM
PRODUCT MANUAL
Disconnect the pump
1. Pull the filter housing apart from the pump
2. Press on the bottom board while sliding it apart from the pump
3. Turn the impeller cover counter-clockwise to the end and then carefully open the impeller cover
4. Pull the impeller out of the pump
5. Wash every part to clean away the debris
6. Assemble the pump in reverse sequence
7. Connect the pump
8. Clean the solar panel
9. Check the solar panel is not damaged
10. Test power is being produced by the solar panel
Be careful to never drop the ceramic axle when cleaning the pumps; it is very fragile.
TROUBLESHOOTING
If the pump does not operate even though the solar panel is in full sunlight,
please check the possible failure list below.
If the pump starts losing power or stops working after operating for a certain
time, clean the pump, following the steps below (also see the above figures
for demonstration)
PROBLEM RESOLOUTION
No power to the pump Check the electrical connection between pump and solar module
Water Pump is noisy Blockage in pump, needs to be cleared
Poor flow Clean the pump as described in disassembly
No flow Impeller may be broken, check and replace
Pump not operating but water flowing through tubes Clean the tube and the filter to ensure they are not blocked