User Manual

Trouble shooting
© Elma GmbH & Co KG BA/Elmasonic S/GB/0207
31
Fault Possible cause Remedy
• turning knob temperature in
„0“ position
• switch on turning knob
temperature
• unit is switched off • switch on unit with key on/off
Unit does not heat up;
LED temperature dark
• fault of electronics • return unit to supplier or
manufacturer
No heating function;
LEDs of LED temperature
blink alternately ("running
light") = fault indication
heating
• fault of electronics • switch unit off and on
if fault is indicated again:
return unit to supplier or
manufacturer
• loss of heating energy • use cover (optional
accessory equipment)
Unsatisfactory heating-up
period
• no mixing of cleaning liquid • e.g. switch on ultrasound
(see section 7.2)
Unit produces boiling
noise during heating-up
• no mixing of cleaning liquid • e.g. switch on ultrasound
(see section 7.2)
• temperature sensor does not
measure the average
temperature (no revolution)
• mix liquid manually or by
means of ultrasound
• for low set temperatures do
not switch on heating
Set temperature is
exceeded
• set temperature too low,
ultrasonic energy heats up the
liquid more than required
(physical process)
• switch on ultrasound for
short periods only
No operational functions;
LEDs of LED ultrasound
and LED temperature blink
alternately ("running light")
= fault indication
programme control
• fault of electronics • switch unit off and on
if fault is again indicated:
return unit to supplier or
manufacturer