Messages
01/02 AWB8230-1415GB
178
Fault history register
The DV6 frequency inverter has a fault history register. The
frequency inverter saves the six most recent fault messages, which
you can retrieve under PNU d081 to d086. PNU d081 shows the
most recent fault message, PNU d082 last but one, etc. When a
new fault occurs, it is saved to PNU
d081 and all older faults are
moved on by one PNU (PNU d081 a d082, PNU d082 a d083,
etc.) In addition to fault messages E01 to E079, the frequency
inverter saves the following information:
• Output frequency
• Motor current
• Internal DC link voltage
• Running time (total time for which the inverter is in RUN mode),
• Mains On time (total time)
X Go to one of the display parameters, PNU d081 to d086.
X Press the PRG key.
If a fault message has been saved, it appears on the display, for
example E07.2. To view further information about the fault, use
the UP and DOWN arrow keys (a Fig. 172). To return to the
display mode, press the PRG key.
E13 Restart inhibit activated The mains voltage was switched on or an intermittent interruption in the supply voltage has occurred
while unattended start protection (input USP) was active.
E14
Ground fault Earth faults between the U, V or W terminals and earth are being reliably detected. A protective
circuit prevents destruction of the frequency inverter, but does not protect the operating personnel.
E15
Mains overvoltage If the supply voltage is higher than permitted, the output voltage is switched off 100 s after the
voltage supply has been switched on.
E16
Intermittent mains failure An intermittent mains failure of at least 15 ms has occurred. This message appears when the dura-
tion of the mains failure is longer than the time entered under PNU b002 (a Section “Automatic
restart after a fault“, Page 151).
E21
Overtemperature If the temperature sensor installed in the power section records an operating temperature above the
permissible limit value, the output voltage is switched off.
E23
Gate array fault Internal communication error between CPU and gate array
E24
Mains phase failure One of the three mains phases has failed.
E30
IGBT fault If an excessive current is applied at an IGBT (transistor in the power end stage), the output voltage
is switched off to protect the transistor.
E35
PTC fault message If the resistance of the external PTC thermistor connected to the PTC input (terminals TH and CM1)
is too high, the output voltage is switched off.
E36
External brake fault If the frequency inverter activates the external brake and does not receive a status signal from the
brake within the time entered under PNU b024 (a Section “Controlling an external brake“,
Page 169), the output voltage is switched off.
----
Undervoltage The frequency inverter attempts a restart because the input voltage is too low. If the restart fails, this
fault message is issued to save the undervoltage fault and the frequency inverter is switched off.
E60 to
E69
Fault, expansion module 1 A fault has occurred in expansion modules 1 or 2 or their connections. For further information, refer
to the manuals for the affected expansion module.
E70 to
E79
Fault, expansion module 2
Display
Cause Description
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