0108 7 13
Notice Date Page
01201138
INSTRUCTION
HANDBOOK
13. Maintenance
Error Meaning Possible cause
KEB ERROR 42 EPU
Error power unit.
Displayed advertisement : - General power circuit fault. .
KEB ERROR 44 EPUIN
Error power unit invalid.
Displayed advertisement : - Software version for power circuit and control card
are different. Error cannot be reset.
.
KEB ERROR 45 ELSF
Error load shunt fault.
Displayed advertisement : - Load-shunt relay has not picked up, occurs for
a short time during the switch-on phase, but must
automatically be reset immediately.
- Load-shunt defective, input
voltage wrong or too low, high
losses in the supply cable, bra-
king resistor wrongly connected
or damaged, braking module
defective.
KEB ERROR 46 EOL
Error overload.
Displayed advertisement : - Overload error can only be reset at E.nOL, if OL-
counter reaches 0% again. Occurs, if an excessive
load is applied longer than for the permissible time.
- Poor control adjustment (over-
shooting), mechanical fault or
overload in the application, in-
verter not correctly dimensioned,
motor wrongly wired, encoder
damaged.
KEB ERROR 47 ENOL
No Error overload.
Displayed advertisement : - No more overload, OL-counter has reached 0%.
After the error E.OL, a cooling phase must elapse.
This message appears upon completion of the
cooling phase. The error can be reset. The inverter
must remain switched on during the cooling phase.
.
KEB ERROR 48 EBUS
Error bus.
Displayed advertisement : - Ajusted monitoring time (watchdog) of communica-
tion between operator and PC/operator and inverter
has been exceeded.
.
KEB ERROR 49 EOL2
Error overload 2.
Displayed advertisement : - Occurs if the standstill constant current is excee-
ded. The error can only be reset if the cooling time
has elapsed and E.nOL2 is displayed.
.
KEB ERROR 50 ENOL2
No Error overload 2.
Displayed advertisement : - The cooling time has elapsed. The error can be
reset.
.
KEB ERROR 41 ENDOH
No Error drive overheat.
Displayed advertisement : - Motor temperature switch or PTC at the terminals
T1/T2 is again in the normal operating range. The
error can be reset now.
.