JULABO CF41 Cryo-Compact Circulators - Manual (Page 73)

Cryo-Compact Circulators
73
11.5. Error messages
Error messages Description
-01 LOW LEVEL ALARM Low liquid level alarm
-03 EXCESS TEMPERATURE
WARNING
High temperature warning
-04 LOW TEMPERATURE WARNING Low temperature warning.
-05 WORKING SENSOR ALARM Working temperature sensor short-circuited or interrupted.
-06 SENSOR DIFFERENCE ALARM Sensor difference alarm.
Working temperature and safety sensors report a
temperature difference of more than 35 K.
-07 I
2
C-BUS ERROR Internal error when reading or writing the I 2 C bus.
-08 INVALID COMMAND Invalid command.
-09 COMMAND NOT ALLOWED IN
CURRENT OPERATING MODE
Invalid command in current operating mode.
-10 VALUE TOO SMALL Entered value too small.
-11 VALUE TOO LARGE Entered value too large.
-12 TEMPERATURE MEASUREMENT
ALARM
Error in A/D converter.
-13 WARNING : VALUE EXCEEDS
TEMPERATURE LIMITS
Value lies outside the adjusted range for the high and low
temperature warning limits. But value is stored.
-14 EXCESS TEMPERATURE
PROTECTOR ALARM Excess temperature protector alarm
-15 EXTERNAL SENSOR ALARM External control selected, but external Pt100 sensor not
connected.
-20 WARNING: CLEAN CONDENSOR
OR CHECK COOLING WATER
CIRCUIT OF REFRIGERATOR
Cooling of the condenser is affected.
Clean air-cooled condenser.
Check the flow rate and cooling water temperature on
water-cooled condenser.
-21 WARNING: COMPRESSOR STAGE
1 DOES NOT WORK
Compressor stage 1 does not work.
-26 WARNING: STAND-BY PLUG IS
MISSING
External standby contact is open.
(see page 54and 67)
-33 SAFETY SENSOR ALARM Excess temperature sensor short-circuited or interrupted.
-38 EXTERNAL SENSOR SETPOINT
PROGRAMMING ALARM
Ext. Pt100 sensor input without signal and setpoint
programming set to external Pt100.
-40 NIVEAU LEVEL WARNUNG Low liquid level warning in the internal reservoir.