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Notice:
Check the low liquid level protection device at least twice a year!
To execute a functional test, drain the liquid until the alarm for low liquid level is
triggered. Refill liquid afterwards.
9.
Troubleshooting guide / Error messages
+
Whenever the microprocessor electronics registers a failure, a complete
shutdown of the compressor and circulating pump is performed. The alarm
light "
" illuminates and a continuous signal tone sounds.
The LED temperature display indicates the cause for the alarm in form of a
code.
Press enter
to quit the audible signal
.
The recirculating cooler is operated without bath fluid, or the liquid level is
insufficient.
Replenish the bath tank with the bath fluid.
Tube breakage has occured (insufficient filling level due to excessive bath
fluid pumped out). Replace the tubing and replenish the bath tank with the
bath fluid.
Cable of the working temperature sensor interrupted or short-circuited.
Error in A/D converter
