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Any malfunctions during operation will be identified by an error message on the display.
Proceed as follows in such cases:
1. Switch off device using the main switch at the back of the device
2. Carry out corrective measures
3. Restart device
Error
code
Description
Effect
Causes
Solutions
Error 2
RS 232
Communication Error
Watchdog time elapsed.
Watchdog was set.
Unstable connection.
Connection lost.
Check the LWS setting.
Check the PC tools.
Check the connection.
Internal
Communication Error
Internal Watchdog elapsed.
Communication lost
between logic board and
display board.
Restart device (unplug mains
cable, plug in mains cable).
Check communication between
logic board and display board.
USB Communication
Error
Watchdog time elapsed.
Watchdog was set.
Unstable connection.
Connection lost.
Check the LWS setting.
Check the PC tools.
Check the connection.
Error 3
Temperature Error
Temperature probe position isn‘t
ok.
Temperature probe positi-
on isn‘t ok
Check position of temperature
probe.
Error 4
Stirrer is blocked
No stirrer rotation.
Stirrer is blocked.
Unblock stirrer.
Error 6
Device Temperature
Error
Analysis of internal PCB temp.
Sensor.
Inside temperature reaches limit
value.
Room temperature >40
°C
PCB or valve is broken.
Switch off device for cool down.
Call service department.
Error 7
Temperature Is Too
High
Measured temperature is too high.
Temperature is higher than
maximum value.
Medium temperature is
too high.
Sensor is broken.
Check the medium temperature.
Call service department.
Error 8
Temperature Is Too
Low
Measured temperature is too low.
Temperature is lower than
minimum value.
Medium temperature is
too low.
Sensor is short connected.
Check the medium temperature.
Call service department.
Error 9
EEPROM Error
Read or write internal storage
error.
Read or write internal
storage error.
Call service department.
If the actions described fails to resolve the fault or another error code is displayed then take one of the following steps:
•
Contact the service department
•
Send the device for repair, including a short description of the fault.
16 Error codes
