Maintenance
© Elma GmbH & Co KG
BA/X-tra/0908
17
7.3
Troubleshooting
Fault / Malfunction
Possible cause
Remedy
housing or mains cable
damaged
•
transport damage, caused by
third party
return unit to supplier or
manufacturer
no operation;
control lamps off
•
mains plug not plugged in
•
dead socket
•
mains cable damaged /
interrupted
•
plug in mains plug
•
check socket / fuse
•
return unit to
manufacturer/supplier
•
return unit to
manufacturer/supplier
no ultrasound
control lamp US off,
heating OK
•
timer not activated
•
faulty timer
•
switch timer "on"
•
return unit to
manufacturer/supplier
no ultrasound
control lamp US on,
heating OK
•
faulty electronics
•
return unit to
manufacturer/supplier
cleaning result not
satisfactory
•
no cleaning medium /or
unsuitable cleaning medium
has been used
•
cleaning cycle too short
•
use suitable cleaning
medium
•
repeat cleaning cycle
unit does not heat up;
heating control lamp off;
US can be activated
•
faulty heating switch
•
faulty control thermostate (no
clicking sound when switched)
•
return unit to
manufacturer/supplier
•
dto.
heating period too long
•
heating energy escapes
•
no revolution of cleaning liquid
•
use cover (optional
accessory
•
e.g. switch on US (see
section 5.2)
unit makes boiling sounds
during heating-up period
•
no revolution of cleaning liquid
•
e.g. switch on US (see
section 5.2)
set temperature is
exceeded
•
temperature sensor does not
measure the average
temperature (no revolution)
•
set temperature too low
•
ultrasonic energy heats up the
liquid (physical process)
•
stir liquid by US or by hand
•
do not switch on heating for
low set temperatures
•
switch on US for short
periods only
