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ground or the output is
overloaded.
C.87
Fault
Digital Output 20
Short Low
The feedback value of
Digital Output 20 is low
while the controller is
attempting to set it high.
This indicates that the
output pin is shorted to
ground or the output is
overloaded.
C.88
Fault
Supply Bank 1
Fault
Digital output bank 1 has
lost 24VDC supply
voltage.
Pin 1 of each set of four digital output pins is used
to provide power for switching the outputs. Check
pin 1 of the corresponding bank (1 = X07, 2 =
X08, 3 = X09) and verify that it is being supplied
with 24VDC. Correct wiring as needed.
C.89
Fault
Supply Bank 2
Fault
Digital output bank 2 has
lost 24VDC supply
voltage.
C.90
Fault
Supply Bank 3
Fault
Digital output bank 3 has
lost 24VDC supply
voltage.
C.92
Warning
Error on create
directories task
An error occurred trying
to create directories on
the internal filesystem.
Internal software or
hardware issue or the
operation was
interrupted.
Export the logs from the controller and Contact
Gardner Denver service.
C.93
Warning
Error changing
Baud Rate
An error occurred trying
to write new baud rate
settings to the serial port.
Internal software or
hardware issue or the
operation was
interrupted.
Check the communication configuration and
attempt to save again. If the problem persists,
export the logs from the controller and contact
Gardner Denver service.
C.94
Fault
Controller
Initialization
Failed
Internal software or
hardware error or
misconfiguration.
Reboot the controller. If the problem persists,
export the logs from the controller and contact
Gardner Denver service.
C.95
Fault
Communications
with VFD
Cooling Lost
Modbus communications
lost with cooling fan VFD
Check the connections on the RS485 link
between the VFD and the controller. Make sure
that cable shields are properly terminated. Check
that the termination resistors are enabled on the
VFD that is the last link in the RS485 network.
C.96
Fault
Communications
with VFD Lost
Modbus communications
lost with main motor
VFD.
Check the connections on the RS485 link
between the VFD and the controller. Make sure
that cable shields are properly terminated. Check
that the termination resistors are enabled on the
VFD that is the last link in the RS485 network.
C.97
Warning
Machine
Definition recipe
save failed, new
file created.
An error occurred during
an attempt to save the
machine definition file.
The operation may have
been interrupted. The
controller was able to
recover.
If the problem persists, export the logs from the
controller and contact Gardner Denver service.
C.98
Warning
Machine
Definition recipe
save partially
failed
An error occurred during
an attempt to save the
machine definition file.
The operation may have
If the problem persists, export the logs from the
controller and contact Gardner Denver service.