Princess Cordless Vacuums Error Codes

E1

Cordless vacuum will not power on, battery LEDs flash rapidly in a repeating pattern when the power button is pressed.

Battery Pack Protection / Undervoltage Lockout

E10

Display shows E10 and the vacuum will not start; occurs after the unit has been dropped or physically impacted.

Impact / Tilt Sensor Error

E11

Vacuum shows E11 or a lock icon; the trigger or power button does nothing even with a charged battery.

Safety Lock / Trigger Switch Fault

E12

Vacuum displays E12 and emits a continuous beep when the dust bin is attached; unit will not start.

Dust Bin / Cup Presence Sensor Fault

E13

E13 or a filter icon with an exclamation mark appears shortly after starting, even with seemingly clean filters.

Filter Sensor / Differential Pressure Sensor Fault

E14

Vacuum shows E14 and the LED ring flashes blue/red; the motor pulses but does not reach full speed.

Power Mode / MOSFET Driver Fault

E15

E15 appears and the vacuum will not charge when placed on the wall mount or floor dock, but charges when plugged directly into the battery (if supported).

Docking Station / Charging Base Fault

E16

Vacuum shows E16 and shuts down when the motorized accessory (e.g., mini turbo brush) is attached; runs fine without it.

Accessory Motor Overload / Short Circuit

E17

E17 appears intermittently; vacuum cuts out when tilting or rotating the wand, then restarts when straightened.

Wand / Neck Electrical Connection Fault

E18

Vacuum shows E18 and a loud high‑pitched whine is heard from the motor area; suction is reduced.

Air Leak / Cyclone Seal Fault

E19

E19 appears and the vacuum will not switch between power modes; stuck in one mode or cycles modes by itself.

Mode Selector Button / PCB Fault

E2

Vacuum powers on but shuts off within a few seconds, middle battery LED blinks and a short beep sounds.

Overcurrent / Motor Overload Protection

E20

Vacuum shows E20 and immediately shuts down when starting on maximum (turbo) mode; low and medium modes work.

High‑Power Mode Overcurrent / Battery Voltage Sag

E3

Vacuum runs but suction is very weak, and an E3 indicator or red LED appears when switching to high power mode.

Airflow Restriction / Blocked Filter Detection

E4

Brushroll in the motorized floor head stops spinning, red light on the nozzle or E4 icon appears, suction continues.

Brushroll Jam / Nozzle Motor Overload

E5

Vacuum stops suddenly during use, body becomes warm, and an E5 or overheat icon appears. After cooling, it runs again briefly.

Thermal Overload / Overheating Protection

E6

Battery will not charge, charger LED flashes red or E6 appears on the vacuum display when docked.

Battery Charging Fault / Overtemperature or Cell Imbalance

E7

Vacuum display shows E7 and the unit will not start; sometimes accompanied by a beeping pattern when pressing the power button.

Main Control PCB Communication Error

E8

LED indicator shows E8 or a specific red battery icon; runtime is extremely short even after full charge.

Battery Capacity Degradation / Cycle End‑of‑Life

E9

Vacuum shows E9 or a fan icon with an exclamation mark; motor makes a rough noise and suction is unstable.

Motor Speed Sensor / Tachometer Fault

Symptom

Brushroll makes a rattling or grinding noise, especially on carpets; may stop intermittently.

Brushroll Bearing Failure / Debris in Nozzle

Symptom

Cordless vacuum will not turn on at all, no lights or sounds, even after charging.

No Power / Dead Unit

Symptom

Dust or debris escapes from joints or around the dust bin during use.

Air Leak / Seal Failure

Symptom

Excessive vibration in the handle when the brushroll is running.

Brushroll Imbalance / Debris Build‑Up

Symptom

LED indicators flicker or display random patterns while the vacuum is running, but performance seems normal.

Indicator / Display PCB Fault

Symptom

Motor makes a loud high‑pitched or grinding noise during operation, louder than when new.

Motor Bearing Wear / Foreign Object in Fan

Symptom

Runtime is much shorter than specified, but no battery error code is shown.

Battery Capacity Loss / High Load

Symptom

Suction is weak even though the motor sounds normal; debris remains on the floor after multiple passes.

Reduced Suction / Airflow Restriction

Symptom

Vacuum cannot be switched to turbo/high mode; button presses are ignored, but low mode works.

Turbo Mode Control Failure

Symptom

Vacuum emits a burning smell during or after use.

Overheating / Electrical Insulation Breakdown

Symptom

Vacuum leaves lines of debris behind the nozzle or spits debris backward.

Nozzle Pickup Inefficiency

Symptom

Vacuum produces a whistling noise from the handle or filter area, even when suction seems normal.

Minor Air Leak / Resonance

Symptom

Vacuum runs but the motorized accessories (floor head, mini brush) do not spin, and there is no error code.

Accessory Power Supply Failure

Symptom

Vacuum shocks the user slightly or gives a static discharge when touched after use.

Static Electricity Build‑Up

Symptom

Vacuum stops abruptly when tilted to certain angles, such as when cleaning high areas.

Tilt / Orientation Sensor Nuisance Trigger

Symptom

Vacuum turns on but shuts off after a few seconds without any error code; may restart if the power button is pressed again.

Intermittent Power Loss / Loose Connection

Symptom

Vacuum will not stand securely on the charging dock or keeps falling off, causing intermittent charging.

Mechanical Docking / Mounting Issue

Symptom

Vacuum will not start unless the dust bin is pressed upward or held in a certain position.

Dust Bin Interlock Misalignment