9-4
Troubleshooting
REFUspeed RS51
DOK-RD500*-RS51*******-IB02-EN-P
No. Designation
Cause
Message
Remedy / comments
10
Pre-charging
After the drive has been powered-up, the DC link
voltage charging over time is monitored. If illegal
deviations occur, pre-charging is stopped.
Short-circuit between terminals C and D (DC link
voltage) or C-PE or D-PE.
Only for the option W, brake resistor: Short-circuit
between F and C.
Only for the option V, electronics standby: The “On”
command was connected while the standby supply is
active but there is no line supply voltage.
Fault
Check the following,
whether the line supply voltage is available
whether there is a short-circuit between terminals C
and D or C-PE and D-PE.
Comment: After the “Pre-charging” fault has been
acknowledged, it is only permissible to power-up again
after 30 seconds. This protects the pre-charging
resistors against overheating.
11
New EEPROM
The processor control did not recognize the bit pattern,
factory-loaded in the EEPROM.
Fault
Please contact your customer service.
12
Clock1 <==> Clock2
The frequencies of the two clock generators provided
on the control card are checked with one another for
plausibility (overspeed protection). This fault trip is
output for deviations exceeding ±1 %.
Fault
One of the two clock generators is defective, replace
the module.
13
Power section
Power section fault which cannot be described in detail.
Fault
Please contact your customer service.
Inverter
This fault is initiated when the overcurrent threshold is
exceeded.
Fault
Causes outside the drive converter:
- Defective motor, invalid load, defective motor cable
- Setpoint step which is too fast
Disconnect the motor cable, enable the inverter. If the
fault no longer occurs, then it is highly likely that the
cause is outside of the drive converter.
Measure using the REFUwin “Oscilloscope function”:
Parameter D1981 “f act from normalization”.
Cause in the parameterization:
The incorrect motor data were parameterized.
Only for option S sinusoidal filter: The pulse frequency
(P0026) is set to less than 8 kHz; thus, the sinusoidal
filter can oscillate and conduct high currents.
Check the motor data in the Quick-Setup.
Set the pulse frequency in Quick-Setup (P0026) to 8
kHz or greater.
14
Cause inside the drive converter:
Defective power section transistor.
Please contact your customer service.
15
Power supply
The voltages of the switched-mode power supply lie
outside the limit values:
Limit value for
+15 V
=
+13.5 V
- 15 V
=
- 13.5 V
Fault
The switched-mode power section is defective or the
load is too high as a result of a defective module (also
refer to the comments on Fault 40, switched-mode
power supply).
17
Overspeed
The actual speed exceeds the speed limit of the
parameter “f limit machine”.
Alarm / fault
Check P0178 (f limit machine) for the correct setting.
An excessive slip compensation (P0540) may have
been selected.
Check P0390 (frequency normalization) for a correct
value and, if required, change.
Either alarm or fault can be selected using P0449
(response to overspeed).
18
Ground fault
Ground fault at the inverter output terminals (U2, V2,
W2) or excessive capacitance with respect to ground
as a result of long motor cables.
Fault
LSA Control S.L. www.lsa-control.com [email protected] (+34) 960 62 43 01
