Omegasonics 7850TT Operation & Instruction Manual page 16

Fault
Unit does not heat up; LED display
temperature dark
No heating; LED display
temperature is blinking rapidly =
fault indication heating
Heating period not satisfactory
Unit produces boiling noise during
heating up
Set temperature is exceeded
No operation functions; displays of
LED ultrasound and LERD
temperature are blinking rapidly =
fault indication program control
Trouble Shooting
Possible cause
turning knob temperature in
position „0"
Unit is switched off
Faulty electronics
Faulty electronics
Loss of heating energy
No revolution of cleaning liquid
No revolution of cleaning liquid
Temperature sensor does not
measure the average temperature
(no revolution)
Set temperature too low, ultrasonic
energy heats up the liquid more
than required (physical process)
Faulty electronics
Remedy
switch on turning knob temperature
Switch on unit at on/off key
Return unit to supplier or
manufacture
Switch unit off and on; if fault occurs
again; return unit to supplier or
manufacture
Use cover
e.g. switch on ultrasound
e.g. switch on ultrasound
Revolve liquid by hand or by means
of ultrasound
For low set temperatures do not
switch on heating
Switch on ultrasound for short
periods only
Switch unit off and on if fault occurs
again; return unit to supplier or
manufacturer
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