Neptun NPSTP-O 600, Operating Instructions Manual

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Remedy of faults
Malfunction Cause Remedy
Pump does not start. No connection to the solar module.

Check the connection to the solar module.

Connect the pump to the solar module.

Push the plug completely into the socket
(up to the stop).
The solar module is soiled. Clean
The impeller unit is blocked. Clean
The battery capacity is exhausted. Charge the battery for at least 4 hours.
Insufficient sunlight Align the solar module to the sun.
Insufficient or no pump delivery The filter is clogged. Remove the filter housing, remove and clean
the filter.
The nozzle unit is clogged. Remove and clean the nozzle unit.
The impeller unit is worn. Replace
Insufficient sunlight Align the solar module to the sun.
The battery capacity is exhausted. Charge the battery for at least 4 hours.
LEDs are not lit. No connection to the solar module. 
Connect the LED lighting to the solar mod-
ule.

Push the plug completely into the socket
(up to the stop).
The LED lighting is switched off. Switch on the LED lighting.
The surrounding area is too light. —
The battery capacity is exhausted. Charge the battery for at least 4 hours.
The LED lighting is soiled. Clean
The LED lighting is defective. Dispose of the LED lighting.
The unit cannot be switched on. The remote control battery capacity is exhausted. Replace
The remote control is too far away from the unit. Observe the range of the remote control.
No connection to the solar module. 
Check the connection to the solar module.

Connect the pump to the solar module.

Push the plug completely into the socket
(up to the stop).
The rechargeable battery is defective. Dispose of the unit.
Maintenance and cleaning
The unit has to be taken out of the water for cleaning or maintenance.
Cleaning the device
Recommendation regarding cleaning:

Clean the unit as required but at least twice a year.

When cleaning the pump, pay particular attention to the cleaning of the impeller unit and pump housing.
If necessary, clean the unit with clear water using a soft brush.

Do not use aggressive cleaning agents or chemical solutions as they could attack the housing or impair the function
of the unit.

Recommended cleaning agent for removing stubborn limescale deposits:
– Vinegar- and chlorine-free household cleaning agent.

After cleaning, thoroughly rinse all parts in clean water.
How to proceed:
1. Disassemble the unit.
2. Pull the nozzle unit and LED lighting apart.
3. Clean the filter housing and impeller unit. (
→ Replacing the impeller unit)
4. Clean all parts.
– Use a soft brush as an aid.
– Rinse parts in clean water.
5. Clean the solar module with a damp cloth and wipe dry.
6. Reassemble the unit in the reverse order.