IPE300 series engineering VFD Troubleshooting
-255-
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.
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
The system is powered off or
the bus voltage is too low.
Check the grid conditions.
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.
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.
PT100 disconnection
warning
PT100 wiring circuit is
disconnected.
Check the PT100 wiring circuit.
PT1000 disconnection
warning
PT1000 wiring circuit is
disconnected.
Check the PT1000 wiring
circuit.