15
Trouble Shooting
Fault
Possible Cause
Remedy
No operating functions; all LED
displays dark
Main cable not plugged in
Plug in main cable
Socket dead
Check socket and fuse
Main cable damaged or interrupted
Replace main cable
Faulty electronics
Return unit to supplier or
manufacturer
No ultrasound; LED display
ultrasound dark
Turning knob for ultrasound in
pos
ition, O”
Switch on ultrasound at turning knob
Unit is switched
Switch on the unit at on/off key
Key (ultrasound) not pressed
Switch key on
Faulty electronics
Return unit to supplier or
manufacturer
No ultrasound; LED display
ultrasound is blinking rapidly = fault
indication ultrasound
Unsuitable filling level
Change filling level, switch unit off
and on
Faulty electronics
Switch unit off and on if fault occurs
again: return unit to supplier or
manufacturer
Cleaning result not satisfactory
Possibly no cleaning medium or
wrong cleaning medium used
Use suitable cleaning medium
Possibly cleaning temperature not
suitable
Change temperature
Possibly cleaning period too short
Repeat cleaning interval
