Nilfisk

Nilfisk Carpet Cleaners Error Codes

Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.

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E01
Machine will not start, display shows E01 immediately when power button is pressed
Main Power Supply / Control Board Protection Fault
E02
Display shows E02 and brush motor will not run, suction may still operate
Brush Motor Overload / Overcurrent Protection
E03
Display shows E03, vacuum (suction) motor does not start, brush may still run
Vacuum Motor Overload / Thermal Cutout
E04
Display shows E04, solution pump does not run and no water is sprayed
Solution Pump Overload / Dry‑Run Protection
E05
Display shows E05, machine stops and will not resume until cooled down
Overtemperature Protection / Internal Thermal Fault
E06
Display shows E06, machine powers but none of the motors (brush, vacuum, pump) will start
Low Voltage / Supply Fault
E07
Display shows E07, brush height or deck lift will not adjust
Brush Deck Actuator Fault
E08
Display shows E08, solution flow is disabled and a tank icon may flash
Solution Level Sensor Fault
E09
Display shows E09, recovery tank full icon flashes and suction stops even when tank is empty
Recovery Tank Full Sensor / Float Switch Fault
E10
Display shows E10, machine will not move forward/backward on self‑propelled models
Traction Drive Motor / Controller Fault
E11
Display shows E11, keypad or control panel buttons do not respond
Keypad / HMI Communication Fault
E12
Display shows E12, machine beeps and shuts down shortly after start
Internal Communication Error (PCB to Module Bus Fault)
E13
Display shows E13, chemical dosing system (if equipped) does not operate
Chemical Dosing Pump Fault
E14
Display shows E14, machine indicates service required and limits operation hours
Service Interval / Maintenance Reminder Exceeded
E15
Display shows E15, ground fault or leakage current detected, machine will not run
Earth Leakage / Ground Fault Protection
Symptom
Brush does not rotate when brush switch is turned on, but suction and spray work
Brush Drive Failure
Symptom
Brush height adjustment knob or lever is stuck or very hard to move
Brush Height Mechanism Seized
Symptom
Carpet cleaner does not pick up water, floor remains wet after multiple passes
Poor Suction / Airflow Restriction
Symptom
Carpet remains overly wet and drying time is very long
Insufficient Extraction / Over‑Application of Solution
Symptom
Display or indicator LEDs flicker or go dim during use
Unstable Low‑Voltage Supply
Symptom
Display shows incorrect or fluctuating battery/voltage level on battery‑powered model
Battery Voltage Sensing Error
Symptom
Excessive foam or suds in recovery tank, vacuum sound changes and suction stops intermittently
Foaming / Recovery Float Activation
Symptom
Handle controls (brush, vacuum, solution) work intermittently when handle is moved
Intermittent Control Wiring Fault
Symptom
Machine is very loud or makes grinding noise during operation
Abnormal Noise from Motor or Brush Assembly
Symptom
Machine leaves streaks or lines of dirt on carpet after cleaning
Uneven Cleaning / Brush or Jet Pattern Issue
Symptom
Machine trips the building circuit breaker or RCD when switched on
Short Circuit / Earth Leakage
Symptom
Machine vibrates excessively or feels unstable during operation
Excessive Vibration
Symptom
Machine will not power on at all, no lights or display
No Power / Dead Machine
Symptom
No water or solution sprays from the floor wand or hand tool
No Solution Spray
Symptom
Self‑propelled machine moves only in one direction (forward or reverse) or jerks
Traction Direction Control Fault
Symptom
Solution continues to flow or drip from jets even when trigger is released
Solution Valve Not Closing
Symptom
Solution tank difficult to remove or install, or does not sit flush
Tank Alignment / Latching Issue
Symptom
Strong burning smell during use, sometimes with smoke from vents
Overheating Motor or Electrical Component
Symptom
Trigger on wand is hard to squeeze or does not spring back
Mechanical Trigger / Valve Binding
Symptom
Unpleasant odor from machine or from carpets after cleaning
Odor / Biological Growth in Tanks and Hoses
Symptom
Water leaking from recovery tank area, drips when tank is full
Recovery Tank Seal Leak
Symptom
Water leaking from underneath the machine during operation
Solution Leak / Internal Hose Failure
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