HAVER & BOECKER USC 200 S, Operating Instructions Manual

Page: 55 / 85

Troubleshooting
11 Troubleshooting
Fault Possible cause Remedy
Mains cable damaged

damage caused by third party,
transport damage

obtain original spare mains
cable from manufacturer or
supplier
No operating functions; all
LEDs dark

mains cable not plugged in

plug in mains cable

socket dead

check socket/fuse

mains cable
damaged/interrupted

replace mains cable

fault of electronics

return unit to supplier or
manufacturer
No ultrasonic operation;
LED ultrasound dark

turning knob for ultrasonic
operation in „0“ position

switch on ultrasonic
operation by turning the knob

key
►
■
(ultrasound) not
pressed

press key
►
■

fault of electronics

return unit to supplier or
manufacturer
No ultrasonic operation;
timer LEDs flash
alternatingly (“running
light”) = fault indication
ultrasound

fault of electronics

switch unit off and on; if fault
is indicated again return unit
to supplier or manufacturer
Unsatisfactory cleaning
results

no or unsuitable cleaning
medium used

use suitable cleaning
medium

cleaning period too short

repeat cleaning interval

ultrasonic energy heats up
liquid (physical process)

switch on ultrasound for
short period only