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Quick Reference of Parameters, Alarms and Faults
Fault / Alarm
A0139
It indicates interruption in the
Profibus DP
communication between the
Interface Offline
Profibus DP network and
the inverter. The Profibus DP
communication interface went into
offline status.
A0140
It indicates error in the access to
Profibus DP
the Profibus DP communication
Module Access
module data.
Error
A0163
It indicates that AIx (AI1, AI2 or
Signal Fault AIx 4
AI3) current (4-20 mA or 20-4 mA)
to 20 mA
is out of range (< 2 mA).
A0177
Internal fan with speed (P0036)
Fan Replacement
under 2/3 of rated fan speed.
A0700
No communication with remote
Communication
HMI, but there is no speed
Fault with Remote
command or reference for this
HMI
source.
A0702
This failure occurs when there is
Inverter Disabled
a SoftPLC movement block (REF
block) active and the "General
Enable" command is disabled.
A0704
It occurs when 2 or more SoftPLC
Two mov. Enabled
movement blocks (REF Block) are
enabled at the same time.
A0706
This failure occurs when a
Refer. Not Prog.
SoftPLC movement block is
SPLC
enabled and the speed reference
is not programmed for the
SoftPLC.
A0710
This failure occurs when the user
SPLC Prog.
tries to download a SoftPLC
Bigger than 8 KB
program bigger than 8 Kb.
F0021
Undervoltage fault on the
Undervoltage on
intermediate circuit.
the DC Link
F0022
Overvoltage fault on the
Overvoltage on
intermediate circuit.
the DC Link
24 | MW500
Description
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Possible Causes
Check if the network master is correctly configured
and operating properly.
Check for shor t circuit or poor contact on the
communication cables.
Check if the cables are not misconnected or inverted.
Check if the termination resistors with the right value
were installed only at the end of the main bus.
Check the network installation in general – cabling,
grounding.
Check if the Profibus DP module is correctly fitted.
Hardware errors due to improper handling or
installation of the accessory, for instance, may cause
this error. If possible, carry out tests by replacing the
communication accessory.
Broken AIx cable.
Bad contact at AIx signal connection is to the terminal
strip.
Wrong setting of AIx parameters.
Internal fan failure.
Check if the communication interface with the HMI is
properly configured in parameter P0312.
HMI cable disconnected.
Check if the drive general enable command is active.
Check the user's program logic.
Check the programming of the references in the Local
and/or Remote mode (P0221 and P0222).
Extension of the SoftPLC prog. exceeded 8 KBytes.
Wrong voltage supply; check if the data on the inverter
label complies with the power supply and parameter
P0296.
Supply voltage too low, producing voltage on the DC
link below the minimum value (in P0004):
Ud < 200 Vdc in 200-240 Vac (P0296 = 0).
Ud < 360 Vdc in 380-480 Vac (P0296 = 1).
Ud < 500 Vdc in 500-600 Vac (P0296 = 2).
Phase fault in the input.
Fault in the pre-charge circuit.
Wrong voltage supply; check if the data on the inverter
label complies with the power supply and parameter
P0296.
Supply voltage is too high, producing voltage on the DC
link above the maximum value (in P0004):
Ud > 410 Vdc in 200-240 Vac (P0296 = 0).
Ud > 810 Vdc in 380-480 Vac (P0296 = 1).
Ud > 1000 Vdc in 500-600 Vac (P0296 = 2).
Load inertia is too high or deceleration ramp is too fast.
P0151 or P0153 setting is too high.
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