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JULABO FW95-SL Ultra-Low Refrigerated Circulators User Manual

Page 90

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Remote control

90

Error messages

Description

-05 WORKING SENSOR ALARM

Working temperature sensor short-circuited or
disconnected.

-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 the 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 impaired.
Clean air-cooled condenser.
Check the flow rate and cooling water temperature for a
water-cooled condenser.

-21 WARNING: COMPRESSOR STAGE

1 DOES NOT WORK

First-stage compressor does not work.

-22 WARNING: COMPRESSOR STAGE

2 DOES NOT WORK

Second-stage compressor does not work.

-23 WARNING: HIGH TEMPERATURE

ON COMPRESSOR STAGE 1

Excess temperature at first-stage compressor.

-24 WARNING: HIGH TEMPERATURE

ON COMPRESSOR STAGE 2

Excess temperature at second-stage compressor.

-25 REFRIGERATOR WARNING

Error in the cooling machine.

-26 WARNING: STAND-BY PLUG IS

MISSING

External standby contact is open.

-30 CONFIGURATION ERROR:

CONFIRM BY PRESSING ON
CIRCULATOR

The configuration of the circulator does not correspond to
its present use.
Press OK to automatically perform a one-time modification
of the configuration.

-33 SAFETY SENSOR ALARM

Excess temperature sensor short-circuited or
disconnected.

-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.