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Maintenance
14.2 Fault messages
If a fault occurs, various different flashing patterns indicate the fault type. Ultrasonic operation always
switches off if a fault occurs.
LED
Flashing pattern
Flashes red twice,
pauses, repeats
Flashes red three
times, pauses, re-
peats
Continuously flashes
red
Continuously flashes
orange (applies for
units with heating)
Continuously flashes
red (applies for units
with heating)
Contact the service centre or the manufacturer in the following cases:
• The measures described here do not remedy the fault.
• The fault recurs (repeatedly), even after performing the following measures:
– The unit was disconnected from the mains and plugged in again about 1 minute later, and clean-
ing started again.
• The unit must be repaired at the factory.
IMPORTANT Empty the unit completely, and clean and disinfect it thoroughly before sending it for
repair.
15
Maintenance
CAUTION
Faulty power cord
Electric shock or damage to the device
Ø Check the power cord regularly for damage.
IMPORTANT Keep the unit and tank clean and dry to prolong its service life.
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Fault type
Power supply faulty
Ultrasonic performance
faulty (too high or too low)
All other faults
Max. temperature > 90 °C
reached
Faulty temperature sensor
Possible remedies
Connect the unit to a socket of a
different power circuit
Switch unit off, switch on again
after 1 minute and restart cleaning
Increase or decrease liquid level, if
applicable
Contact service centre or manufac-
turer
Switch unit off and allow the clean-
ing liquid to cool down, disconnect
unit from the mains if necessary
Contact service centre or manufac-
turer
Renfert GmbH
Easyclean TEC
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