IPE300 series engineering VFD
Troubleshooting
-255-
Fault
code
Fault
No.
Fault type
Possible cause
Solution
OtE2
71
PT1000
overtemperature
fault
Present ambient temperature
is too high;
PT1000 detection wiring error;
PT1000 overtemperature
protection setting is improper.
Check the present ambient
temperature;
Check the PT1000 wiring;
Check whether the
over-temperature fault point
of PT1000 is set too small.
E-brF
72
Brake switch-on
feedback signal
error
The brake feedback signal
cables are not connected
properly.
Check the PID feedback
signal wiring.
7.5.2 Other status
Displayed
code
Status type
Possible cause
Solution
PoFF
System power failure
The system is powered off or
the bus voltage is too low.
Check the grid conditions.
A-Ot1
PT100
overtemperature
warning
Present ambient temperature
is too high;
PT100
overtemperature
pre-alarm setting is improper.
Check the present ambient
temperature;
Check
whether
the
over-temperature
protection
point of PT100 is set too small.
A-Ot2
PT1000
overtemperature
warning
Present ambient temperature
is too high;
PT1000
overtemperature
pre-alarm setting is improper.
Check the present ambient
temperature;
Check
whether
the
over-temperature
protection
point of PT1000 is set too
small.
A-Pt1
PT100 disconnection
warning
PT100
wiring
circuit
is
disconnected.
Check the PT100 wiring circuit.
A-Pt2
PT1000 disconnection
warning
PT1000 wiring circuit is
disconnected.
Check the PT1000 wiring
circuit.
Содержание IPE300 Series
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