Robot Mop Leaving Puddles? Separate Leaks, Foam and Wet Pads

Standing water and powered equipment

The iRobot solution list links Bona cleaners to foaming that could put water on the floor with the Roomba Combo 10 Max and AutoWash Dock. The other sources cover cloth preparation, water settings, dock warnings and moisture protection for the models named below; those instructions do not establish the cause of a puddle. As a precaution, confirm the robot and dock model before applying any instruction.

As a precaution, stop the job and keep people away from a slippery area. As a precaution, if water has reached a powered dock or plug, do not handle wet electrical equipment; isolate power safely and arrange appropriate service. As a precaution, do not send the robot back to its dock to end a leak, because the dock may be the wet part.

The Roborock S5 Max manual says that when the charging dock is placed on a wooden floor, it should be used with the moisture-proof mat to prevent moisture damage. That note belongs to the S5 Max. As a precaution, check the floor under any dock placed on wood, and check the dock as well as the robot.

Observation notes for support

As a precaution, record the observations below for support and photograph the area if it is safe to do so.

As a precaution, treat these notes as starting points for support, not as proven causes. As a precaution, avoid recreating a leak on a floor that water can damage.

Cloth preparation and dock warnings by model

• Foam at a Roomba Combo 10 Max AutoWash Dock. iRobot’s solution list links Bona hardwood and hard-surface cleaners to an excessive amount of foaming with this model and dock, which could let water reach the floor.
• A cloth that drips before fitting on the eufy RoboVac L70 Hybrid. The preparation page asks you to wet the mopping cloth, wring it until it stops dripping, and then install it.
• A damp cloth on the Roborock S5 Max. For immediate mopping, the manual says to dampen the mop cloth, squeeze it dry and attach it to the mop cloth bracket.
• A steady red status light on the EWFD49HRR dock supplied with the Roborock RRE0VSP. The manual identifies red as a dock error; the checks are set out under the tank heading below.

As a precaution, keep a leaking robot out of use and report visible damage to support. As a precaution, include the model, puddle location and cleaning-product details.

Water-flow and tank settings by model

These sources describe water settings for the named models, without giving a procedure for resolving standing water. As a precaution, record the current setting for support and keep a leaking robot out of use.

• Roborock S5 Max: the manual says to use the mobile app to adjust the water flow as required, and its figure labels Low, Medium and High Water Level. Its troubleshooting entry for little water during mopping points to the app’s water-flow setting.
• Roborock RRE0VSP: the troubleshooting table recommends increasing app water flow for absent or insufficient water during mopping. This entry addresses insufficient delivery, not standing water.
• Samsung POWERbot-E VR5000: the Levant support page says the water supply is set to Min., Standard or Max. under Settings > Water in the POWERbot-E app.
• eufy RoboVac L70 Hybrid: the Water Release Setting controls how much water is dispensed while mopping. The page says to fill the tank with cold tap water and not hot water or any cleaning solution.

Tank placement and indicator lights

For the EWFD49HRR dock supplied with the Roborock RRE0VSP, the manual identifies a steady red status light as a dock error. Its troubleshooting entry includes clean water tank placement or refilling, dirty water tank placement or emptying, correct installation of the cleaning tray and its filter, and a supply-voltage error. A separate entry for failure to wash the mop cloths also includes tank placement and water levels. These entries do not identify a water leak.

On the S5 Max, the manual says to fill the tank and close it tightly. It warns against cleaning fluid or disinfectant in the tank, and against hot water, which may cause the tank to deform. For the RRE0VSP, the dock placement notes say the dock should not be used without its clean water tank, dirty water tank, dust container cover, disposable dust bag or cleaning tray in place.

As a precaution, report the EWFD49HRR dock light and the observed tank and tray positions to support without treating them as proof of a leak.

Mop cloth care and drying

The S5 Max manual recommends cleaning the mop cloth after 60 minutes of mopping to ensure water flow and cleaning quality. It also says to remove the mop cloth bracket if you are not mopping, and it recommends removing and washing the bracket and emptying the water tank frequently to prevent odors or mildew.

For the eufy RoboVac L70 Hybrid, the preparation page says to remove the mopping module and cloth after mopping and returning to the base, then wash and dry the cloth to prevent mildew.

Visible damage and support records

As a precaution, stop the robot before approaching removable parts and follow its manual before handling them. As a precaution, record visible damage to the tank, closure or dock.

As a precaution, do not glue damaged parts, probe outlets, hold valves open, soak electrical assemblies or pressurize a tank. As a precaution, ask support for the procedure that applies to the affected component.

As a precaution, record the name, amount and point of addition for any cleaning product that was used.

What changes by model

Each row names the model that its source gives.

When water keeps appearing

As a precaution, keep the robot out of use if standing water returns, and contact support before another test. As a precaution, include whether the water appeared during cleaning, while parked or at the dock.

For a damp but dirty-looking film, not standing water, see mop streaks. For a dry pad, see no water delivery. For pad wear and attachment faults, see pad problems.