Retsch MM 400 - Page 68

Error Messages and Information Notes
68
Error code
Description
Measures
E25
Display error
The connection to the display is interrupted.
• Turn off the main switch and wait 30
seconds before turning the device on
again.
• If the error persists, contact the
Retsch GmbH service department.
E41
Speed sensor error
The target and actual speed of the drive differ
from each other.
• Turn off the main switch and wait 30
seconds before turning the device on
again.
• If the error persists, contact the
Retsch GmbH service department.
E50
Safety circuit error
A safety function has been interrupted.
• Turn off the main switch and wait 30
seconds before turning the device on
again.
• If the error persists, contact the
Retsch GmbH service department.
E51
Error safety switch
(interlock)
The opening status of the hood of the device
is not correctly detected by the switches.
• Turn off the main switch and wait 30
seconds before turning the device on
again.
• If the error persists, contact the
Retsch GmbH service department.
E52
Hood switch error
Faulty state of the left hood switch.
• Turn off the main switch and wait 30
seconds before turning the device on
again.
• If the error persists, contact the
Retsch GmbH service department.
E53
Hood switch error
Faulty state of the right hood switch.
• Turn off the main switch and wait 30
seconds before turning the device on
again.
• If the error persists, contact the
Retsch GmbH service department.
E88
Net error
There is a voltage deviation.
• Turn off the main switch and wait 30
seconds before turning the device on
again.
• If the error persists, contact the
Retsch GmbH service department.