Code Fault Possible cause Suggested solution Resetting
53 CAN
Communication
Fault
• CAN Communication is not
working
• Switch off supply voltage
from all devices that are
connected to CAN bus
• Check CAN-bus wiring and
termination resistor settings
• Check CAN-communication
parameters
C
55 Board Fault • API3 is not installed or not
working properly
• Switch off supply voltage
• Check API3 supply voltage
• Check API3 wiring
connections
• If problem recurs, replace
inverter
B
56 Generator Current
Limit/Deceleration
Ramp Supervision
• Inverter cannot stop with the
set ramp stretching
• Increase P1.8 Deceleration
Time or P11.1 Ramp
Stretching value
C
57 Motor
Overtemperature
• Motor temperature too high
• Digital input DIA4
deactivated when used for
motor overtemperature
protection
• Wait for motor cooling down
• Avoid running long periods at
low speed
• Check motor temperature
protection wiring
C
58 Overvoltage
Regulator Timeout
• Overvoltage regulator has
been active for 5 sec
C
59 Overvoltage at Start • Too high supply voltage • Measure supply voltage and
check hoist supply voltage
from hoist type plate
C
60 Power unit fault • Power unit has stopped
running
• E-stop during running
• Switch off supply voltage
• Check power unit wiring
• If problem recurs, replace
inverter
B
61 Overspeed • Overspeed situation detected
• Interference in speed signal
connected to ENC1A
• Check supply voltage
• Check load measurement
operation and calibration
• Check sensor cable
grounding and inverter PE-
connections
• Check/replace speed sensor
connected to ENC1A
A
020145en / Revision D / 2015-04-29
28/31
This document and the information contained herein, is the exclusive property of Konecranes Plc. and represents a non-public, confidential and proprietary trade secret that may not be
reproduced, disclosed to other parties, altered or otherwise employed in any manner whatsoever without the express written consent of Konecranes Plc.
Copyright
©
(2014) Konecranes Plc. All rights reserved.
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