
GMG-B Operation manual
Page 35 of 45
B0743
7.1.8 Error messages
In case of fault, the control will display one of the following errors:
E1 Motor current too high / motor overload
E2 Progressive distributor fault / revolution time >4 min
E3 Minimum filling level in the reservoir reached
After root cause remedy, error messages can be deleted by long pressing of [SAVE].
7.1.9 Connecting an external progressive distributor
In the "C3" control variant, you can monitor a progressive distributor with functional control.
Connect, by using the connecting cable 913.405-06 (Accessories), the functional control of
the progressive distributor to the relevant connector of the pump unit (cable plug at right
side).
7.1.10 Troubleshooting, fault remedy
No.
Fault
Root cause
Remedy
1
Error "E1"
Output moment too high
Check the medium for lumps
Check the pump elements for
stiffness
Check the lubricant pressure
required for delivery
Are bigger foreign materials in
the reservoir?
2
Error "E2"
No lubricant delivery
see under 4
"no lubricant delivery"
Lubricant pressure too high
see under 5
"Lubricant pressure too high"
3
Error "E3"
Reservoir is empty
Refill lubricant
Monitoring cable broken
Send the unit to WOERNER for repair