Brand: Wybot
Category: Robotic Pool Cleaner
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for Grampus 400
Uploaded: April 20, 2026, 7:53 p.m.
Warranty Information
24-month warranty on driving kit and control box, excluding consumable parts.
Instructions for using the Wybot Grampus 400 Robotic Pool Cleaner include important precautions like not operating the cleaner when people or animals are in the pool, and ensuring the power supply is placed safely away from the water. The manual details the packing list, product diagram, and specifications. Operation steps cover installing the flipper and brush, connecting the power supply, and safely placing the cleaner in and removing it from the pool. It also explains the control panel functions, nozzle adjustments for different pool shapes and coverage needs, and filter cleaning procedures. Troubleshooting tips are provided for common issues like cable twisting, incomplete pool coverage, and the cleaner not working. The warranty information covers a 24-month period for specific parts and outlines conditions for voiding the warranty.
Troubleshooting and error codes
| Issues | Possible cause | Solution |
|---|---|---|
| The cable twists or coils up | The cable is not fully released | Unplug the power cord and release the cable |
| Obstruction in pool | Remove obstruction | |
| Stuck on main drain outlet | Turn off pool filter system | |
| Overtime working | Release the cable manually | |
| Cleaner does not reach all pool area | The power supply is improperly positioned | Place the power supply at a proper position to reach all pool areas |
| There is algae on the pool floor and it can't be cleaned since it floats easily after the machine passes by | Before using the cleaner, please clean the algae on the floor or walls in case it floats when the machine passes by | |
| The poo shape is not regular | The ideal pool shapes are round, oval, rectangular. Please place the robot on the area that needs specific cleaning | |
| The pool filter system and pump are running | Turn off the pool filter system and pump | |
| The cable is not long enough in the pool | Release the cable | |
| The robot does not work | The power cord is not plugged well | Plug power cord tightly |
| The robot is damaged during transportation | Contact customer service | |
| The robot does not match local rated voltage | Contact customer service | |
| Electric fault | Contact customer service | |
| The cleaner gets blocked | Contact customer service | |
| It just sits at the bottom of the pool and won't move after several passes | 1. Check if the LED indicators on the power supply flash. If yes, it's probably because it has completed the scheduled 1H working cycle (default time); 2. There is a blockage in the filter tray; |
1. Reset the cleaning time to 1H/2H/3H; 2. Clean up the filter tray and restart the machine; |