INVT GD270-090-4 User Manual

Goodrive270 series VFD for fan and pump Troubleshooting
-247-
Fault
code
Fault type Possible cause Solution
E-BAC
BACNet card
communication
timeout fault
There is no data
transmission between the
communication card and
the host computer (or
PLC).
Check whether the
communication card wiring is
loose or dropped.
E-DEV
DeviceNet card
communication
timeout fault
There is no data
transmission between the
communication card and
the host computer (or
PLC).
Check whether the
communication card wiring is
loose or dropped.
ESCAN
CAN master/slave
card communication
timeout fault
There is no data
transmission between the
CAN master and slave
communication cards.
Check whether the
communication card wiring is
loose or dropped.
S-Err
Master/slave
synchronous CAN
slave fault
Fault occurred to one of
the CAN slave VFDs.
Detect the CAN slave VFD and
analyze the corresponding fault
cause of the VFD.
FrOST
Freezing fault
The temperature is lower
than the freezing
protection threshold.
Check the temperature.
BLOCK
Stalling fault
The current is greater
than the stalling current.
Check for stalling.
Dr Dry pumping
The current is lower than
the current limit for motor
dry pumping.
Check for dry pumping.
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.

INVT GD270-090-4 Specifications

General

Brand	INVT
Model	GD270-090-4
Category	Water Pump
Language	English