6.2 Removing faults/warnings
The table below should be regarded as a “First-aid” box. Depending on the conditions in your instal
-
lation, there may be a wide variety of reasons for the fault. In multi-axis systems there may be furt
-
her hidden causes of a fault. Our customer service can give you further assistance with problems.
Fault possible causes
Measures to remove the cause of
the fault
HMI message:
communication
fault
— wrong cable used
— cable plugged into wrong position
in servo amplifier or PC
— wrong PC interface selected
— use null-modem cable
— plug cable into the correct sockets
on the servo amplifier and PC
— select correct interface
F01 message:
heat sink
temperature
— permissible heat sink temperature
exceeded
— improve ventilation
F02 message:
overvoltage
— regen power is insufficient. regen power
limit was reached and the regen resistor
was switched off. This causes excessive
voltage in the DC-link circuit.
— supply voltage too high
— shorten the braking time RAMP or
use an external regen resistor
with a higher power rating and
adjust the regen power parameter
— use mains transformer
F04 message:
feedback unit
— feedback connector not properly inserted
— feedback cable is broken, crushed or
otherwise damaged
— check connector
— check cable
F05 message:
undervoltage
— supply voltage not present or too low
when servo amplifier is enabled
— only enable the servo amplifier
when the mains supply voltage
has been switched on
delay > 500 ms
F06 message:
motor temperature
— motor thermostat has been activated
— feedback connector is loose or break in
feedback cable
— wait until motor has cooled down,
then check why it became so hot
— tighten connector or use
new feedback cable
F07 message:
aux. voltage
— the aux. voltage produced by the servo
amplifier is incorrect
— return the servo amplifier to the
manufacturer for repair
F08 message:
motor runs away
(overspeed)
— motor phases swapped
— feedback set up incorrectly
— correct motor phase sequence
— set up correct offset angle
F11 message:
brake
— short-circuit in the supply cable for the
motor-holding brake
— motor-holding brake is faulty
— fault in brake cable
— no brake connected, although the
brake parameter is set to "WITH"
— remove short-circuit
— replace motor
— check shielding of brake cable
— brake parameter set to "WITHOUT"
F13 message:
internal temperatu
-
re
— permissible internal temperature exceeded — improve ventilation
F14 message:
output stage fault
— motor cable has short-circuit/ground short
— motor has short-circuit / ground short
— output module is overheated
— output stage is faulty
— short-circuit / short to ground in the
external regen resistor
— replace cable
— replace motor
— improve ventilation
— return the servo amplifier to the
manufacturer for repair
— remove short-circuit / ground short
F16 message:
mains BTB/RTO
— enable was applied, although the
supply voltage was not present.
— at least 2 supply phases are missing
— only enable the servo amplifier
when the mains supply voltage
has been switched on
— check electrical supply
F17 message:
A/D converter
— error in the analog-digital conversion,
usually caused by excessive EMI
— reduce EMI,
check screening and grounding
92 SERVOSTAR
®
601...620 Installation Manual
Appendix 03/04 Kollmorgen
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