Appendix
8-12
L
_^ONMObk
Code
Remedy
Cause
Error
PC
1)
Keypad
Name
OH
50
Heat sink temperature
exceeds the value
entered for the controller
Ambient temperature T
amb
> +60
°
C
•
Allow controller to cool and ensure better
ventilation
•
Check ambient temperature
Heat sink very dirty
Clean heat sink
Impermissibly high currents or too
frequent and too long acceleration
•
Check drive selection
•
Check load, if necessary, replace defective
bearings
OH3
53
PTC monitoring (TRIP)
Motor too hot because of excessive
current, or acceleration is too frequent
and too long
Check drive dimensioning
OH51
203 PTC monitoring (warning) PTC not connected
Connect PTC or switch off monitoring
OU
102 DC-bus overvoltage
Mains voltage too high
Check voltage supply
OU
102
0
DC bus overvoltage
(only message without
TRIP)
Braking operation
•
Prolong deceleration times.
•
For operation with brake transistor:
– Check the selection and connection of the
brake resistor
– Increase the deceleration times
Earth leakage on the motor side
Check motor cable and motor for earth fault
(disconnect motor from inverter)
Pr
75
Faulty parameter transfer
when using the keypad
All parameter sets are defective
It is absolutely necessary to repeat the data
transfer or load the Lenze setting before
Pr1
72
Wrong PAR1 transfer
when using the keypad.
PAR1 is defective.
transfer or load the Lenze setting before
enabling the controller.
Pr2
73
Wrong PAR2 transfer
when using the keypad.
PAR2 is defective.
Pr3
77
Wrong PAR3 transfer
when using the keypad.
PAR3 is defective
Pr4
78
Wrong PAR4 transfer
when using the keypad.
PAR4 is defective
Pt5
81
Time error during
parameter set transfer
Data flow from keypad or PC interrupted,
e. g. keypad was disconnected during
transmission
rSt
76
Faulty auto-TRIP reset
More than 8 fault messages in 10 minutes Depends on the fault message
sd5
85
Open circuit at analog
input
Current at analog input < 4 mA
Close circuit at analog input
1)
LECOM fault numbers
Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: [email protected]
Show/Hide Bookmarks