Maintaining The Cooling Performance - Julabo F12-MC Operating Manual

Maintaining the cooling performance

Error messages
-14 EXCESS TEMPERATURE
PROTECTOR ALARM
-20 WARNING: CLEAN
CONDENSOR OR CHECK
COOLING WATER CIRCUIT
OF REFRIGERATOR
-21 WARNING: COMPRESSOR
STAGE 1 DOES NOT WORK
-22 WARNING: COMPRESSOR
STAGE 2 DOES NOT WORK
-23 WARNING: HIGH
TEMPERATURE ON
COMPRESSOR STAGE 1
-24 WARNING: HIGH
TEMPERATURE ON
COMPRESSOR STAGE 2
-25 REFRIGERATOR WARNING Error in the refrigerating machine.
-30 CONFIGURATION ERROR:
CONFIRM BY PRESSING
<ENTER> ON CIRCULATOR
-33 SAFETY SENSOR ALARM
-40 NIVEAU LEVEL WARNUNG Low liquid level warning in the internal
12. Maintaining the cooling performance
52
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Description
Excess temperature protection alarm
Cooling of the condenser is affected.
Clean air-cooled condenser.
Check the flow rate and cooling water
temperature on water-cooled condenser.
Compressor stage 1 does not work.
Compressor stage 2 does not work.
Excess temperature on compressor stage 1.
Excess temperature on compressor stage 2.
The configuration of the circulator does not
conform to its present use.
Press enter
single modification of the configuration.
Excess temperature sensor short-circuited or
interrupted.
reservoir.
To maintain the full cooling performance, clean the
condenser from time to time.
• Switch off the unit, disconnect mains power cable.
• Hold the venting grid, pull out and remove.
• Clean the ribbed condenser with a vacuum cleaner.
• Replace the venting grid.
• Switch on the unit.
to automatically perform a