Retsch Emax - Maintenance and Troubleshooting; Error Handling and Information Notes

Error Messages and Information Notes
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8 Error Messages and Information Notes
8.1 Error Messages
Error messages inform the user about detected device or programme errors. In the event of an
error message, a fault has occurred, in which the operation of the device or the programme is
automatically interrupted. Such faults must be resolved before next startup.
Error code
Description
Measures
E10
Drive overload
 Switch off the main switch and wait for 30 s
before switching on again.
 If the error persists, contact service.
E20
Failure main board
 Switch off the main switch and wait for 30 s
before switching on again.
 If the error persists, contact service.
E21
Failure rotation speed
(speed deviation 10 %)
 Switch off the main switch and wait for 30 s
before switching on again.
 If the error persists, contact service.
E25
Failure display
 Switch off the main switch and wait for 30 s
before switching on again.
 If the error persists, contact service.
E26
Failure frequency
converter
 Switch off the main switch and wait for 30 s
before switching on again.
 If the error persists, contact service.
E40
Failure sensor 1 (grinding
jar monitoring right)
 Confirm the message on the control panel.
 Check the secure fit of the grinding jar.
 Ensure that the grinding jar support is firmly
closed.
 If the error persists, contact service.
E41
Failure speed sensor
 Switch off the main switch and wait for 30 s
before switching on again.
 If the error persists, contact service.
E42
Failure temperature
sensor 1 (IR sensor right)
 Switch off the main switch and wait for 30 s
before switching on again.
 If the error persists, contact service.
E43
Failure temperature
sensor 2 (IR sensor left)
 Switch off the main switch and wait for 30 s
before switching on again.
 If the error persists, contact service.
E45
Failure sensor 2 (grinding
jar monitoring left)
 Confirm the message on the control panel.
 Check the secure fit of the grinding jar.
 Ensure that the grinding jar support is firmly
closed.
 If the error persists, contact service.
E46
Failure sensor 3 (flow
sensor)
 Switch off the main switch and wait for 30 s
before switching on again.
 If the error persists, contact service.
E47
Out of balance (imbalance
sensor)
 Switch off the main switch and wait for 30 s
before switching on again.
 Check if there are two grinding jars firmly
clamped in the properly closed grinding jar
supports.
 If the error persists, contact service.