JULABO ME Heating Immersion Circulator User Manual

Page 52

Troubleshooting guide / error messages

Error message with ticker:
>SENSOR DIFFERENCE ALARM-CHECK VISCOSITY AND PUMP STAGE<
Defect of working or excess temperature protector.
Working temperature sensor and excess temperature protector report a
temperature difference of more than 35 K.

Error message with ticker:
> INTERNAL HARDWARE ERROR-CALL SERVICE <
Other errors

Error in A/D converter

Error message with ticker:
> EXCESS TEMPERATURE PROTECTOR ALARM-CHECK ADJUSTMENT <

Excess temperature protector defect.

The protection temperature is below the set working temperature setpoint.
Set the protection temperature to a higher value.

Error message with ticker:
> EXTERNAL SENSOR ALARM-CHECK EXTERNAL SENSOR <

External control was set but the Pt100 external senor was not connected or is
defect.

Error message with ticker:
> SAFETY SENSOR ALARM-CALL SERVICE <

The cable of the excess temperature protector has been disconnected or
short-circuited

Error message with ticker:
> LOW LEVEL WARNING-FILL MEDIUM <

The early warning system for low level reports a critical fluid level. Refill bath
fluid.

4 s

By quickly switching off and restarting the unit the alarm is cancelled.
If the error occurs once more after the restart, a remote diagnosis is required.

Error message with ticker:
> CONFIGURATION ERROR-PRESS OK<

The configuration of the circulator does not correspond with its current
application.

Press the

key for a non-recurring, automatic change of the

configuration.
In this case please call the JULABO Technical Service or an authorized dealer.

Disturbances that are not indicated.

The electronic pump motor is overload-protected by an electronic current
limiter. If viscosity of the bath fluid is or becomes too high, the motor stops
running.

A
M
P

Mains circuit breakers (resettable) 15 A