Error message
Error message description
Is displayed...
Action
Confirmation/Reset
E.20
Clock Input Signal Missing
This error message appears when the clock input
signal is missing or the Clock Signal Input
Frequency is below 0.5Hz while the Clock
Operating Mode is enabled at Clock Operating
Mode 2 or 3 and the pump is started.
As long as the Error is
persistent and the System
gets an external Run Signal.
No action
MODE or I/O Button
when there is no
external Run Signal or
when the Error
disappear by itself
E.21
Maximum Clock Signal Input Frequency Exceeded
The maximum allowable Clock Signal Input
Frequency in Clock Input Operation Mode 2 or 3
exceeds over ist computable range. In this case,
the Clock Signal Input Frequency is clamped at its
maximum limit. The range maximum limit is
1000Hz.
As long as the Error is
persistent and the System
gets an external Run Signal.
No action
No confirmation
possible
E.30
Maximum Feeding Quantity Exceeded
This error message appears when the motor
rotational speed is too high so that the motor may
not be able to keep track on this speed without
losing steps.
As long as the Error is
persistent and the System
gets an external Run Signal.
No action
No confirmation
possible
E.40
Fluid Motion Controller Flow Error
The Fluid Motion Controller has detected a
lubricant flow error.
Once the Error has occurred
Machine disabled
MODE or I/O Button
E.41
Pump Head Missing Error
The Pump has been started without a proper Pum
Head attached to the system
As long as the Error is
persistent and the System
gets an external Run Signal.
Machine disabled
MODE or I/O Button
when there is no
external Run Signal
E.42
Pump Head Fluid Motion Sensor Error
The Pump Head's Fluid Motion Sensor is faulty or
the wiring to the Sensor is broken
As long as the Error is
persistent and the System
gets an external Run Signal.
Machine disabled
MODE or I/O Button
when there is no
external Run Signal
Instruction Manual GRAF SINGLE LUB 2 / Version 4.0
–
05.2020
19
