Troubleshooting And Rectification - Schaeffler GreaseCheck User Manual

Troubleshooting and
rectification
Error messages
Schaeffler Technologies
This section covers errors that may occur and the associated
remedial measures.
Error message Cause of error
Grease signal The sensor head is not
does not change in contact with the grease
The sensor is too far
from the changed grease
Deposits on the sapphire
disc
No signal The sensor head
is not inserted
The sensor head
is defective
Cable breakage GreaseCheck is being
(analogue signal operated outside
4 mA) the intended range
Power supply is Terminal resistance
present but CAN is set incorrectly
communication
with the sensor is
not possible
LED on The firmware is caught
controller shows in bootloader mode
continuously red
Remedy
Immerse the sensor head
in the grease to a greater
depth
Clean the sapphire disc
using a microfibre cloth
Insert the sensor head
in the rolling bearing
Replace the sensor head
Replace the signal cable
Set the 120 ohm terminal
resistance for the CAN bus,
see Mounting of evaluation
unit
Disconnect the power to
the sensor and restart
BA 35 17