JULABO FLW4006 Recirculating Coolers - Manual (Page 25)

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7.8. Remote control: activate – deactivate
(Interface OFF)
(Interface On)




The recirculating cooler is to be prepared for remote control by a
personal computer via the serial interface RS232.
Set the interface item from >IOFF< to >ION<.
Remote control: activate – deactivate:
 Switch off recirculating cooler by pressing the mains switch and
wait approx. 5 seconds.
 Keep depressed the keys
and enter simultaneously and
turn on the unit with the mains power switch.
>I OFF< No remote control via RS232 (Factory setting)
>I On< Remote control via RS232

The software version and the type of unit is indicated
(see example on the left).
The display "rOFF" indicates the unit is ready to be operated via
remote control.
8. Safety installations
8.1. Excess temperature protection
+

This safety installation is independent of the control circuit.
When the temperature of the bath fluid has reached the safety temperature (85
°C), a complete shutdown of the compressor and pump is effected.
The alarm is indicated by optical and audible signals (continuous tone) and on
the LED-DISPLAY appears the error message "Error 14".
8.2. Low level protection
+

This safety installation is independent of the control circuit.
If the low liquid level protection device is triggered, a complete shutdown of the
compressor and circulating pump is effected.
The alarm is indicated by optical and audible signals (continuous tone) and on
the LED-DISPLAY appears the error message
"Error 01".

Turn off the unit with the mains switch, refill bath fluid and turn the unit on
again!
Caution:
For refill always use the same bath fluid type that is already in the bath.

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.