Operation Manual
27
MULTICLEANER 7-53
Original Instructions
Error code Meaning Possible errors Correction
2021 Tower sensor right active for
30 sec.
Sensor not adjusted
correctly
Sensor defective
Sensor cable defective
Adjust sensor.
Call a service technician.
Call a service technician.
2022 Arm sensor bottom active
for 30 sec.
Sensor not adjusted
correctly
Sensor defective
Sensor cable defective
Adjust sensor.
Call a service technician.
Call a service technician.
2023 Arm sensor top active for 30
sec.
Sensor not adjusted
correctly
Sensor defective
Sensor cable defective
Adjust sensor.
Call a service technician.
Call a service technician.
2024 Nozzle sensor bottom active
for 30 sec.
Sensor not adjusted
correctly
Sensor defective
Sensor cable defective
Adjust sensor.
Call a service technician.
Call a service technician.
2025 Both tower sensors active Sensor not adjusted
correctly
Sensor defective
Sensor cable defective
Adjust sensor.
Call a service technician.
Call a service technician.
2026 Both arm sensors active Sensor not adjusted
correctly
Sensor defective
Sensor cable defective
Adjust sensor.
Call a service technician.
Call a service technician.
10.2.2 Other errors
Error symptom Possible errors Correction of error
Water supply to the nozzle is not being
stopped although the high pressure
washer has been shut down.
Dirt in water valve. Clean water valve by
dismounting the cover and
cleaning the diaphragm
and the valve seat.
Do the same to the pilot
valve (the small cover
at top of the valve. Blow
through the hole to the
pilot valve to make sure
that this duct is free of dirt.
If none of the above-mentioned corrections work, call a service technician.