![background image](http://html1.mh-extra.com/html/gardner-denver/governor-ten014980/governor-ten014980_user-manual_563861158.webp)
13-17-621 Page 158
a clamp on amp meter. Test motor insulation
resistance.
V1.13
Warning
VFD1 Drive
Under Temp
warning
Ambient temperature is
below the warning limit
for the VFD
Raise ambient temperature near the VFD and
compressor package.
V1.13
Fault
VFD1 Drive
Under Temp
fault
Ambient temperature is
below the fault limit for
the VFD
Raise ambient temperature near the VFD and
compressor package.
V1.14
Warning
VFD1 Drive
Over Temp
warning
VFD is measuring
internal temperatures
above the warning limit.
Confirm ambient temperature near the VFD is
below 50C. Check ventilation filters and fans
mounted in the control panel for debris. Check the
VFD heat sink cooling fans for correct operation.
Clean cooling fans and heat sink fins with
compressed air.
V1.14
Fault
VFD1 Drive
Over Temp fault
VFD is measuring
internal temperatures
above the fault limit.
Confirm ambient temperature near the VFD is
below 50C. Check ventilation filters and fans
mounted in the control panel for debris. Check the
VFD heat sink cooling fans for correct operation.
Clean cooling fans and heat sink fins with
compressed air.
V1.15
Fault
VFD1 Motor
Stall fault
Motor has stalled during
start or run
Check wiring between motor and VFD for
incorrect or loose connections. Check drive
system for proper alignment and wear. Verify
supply voltage within tolerance. Decouple
compressor from drive motor and check for
proper manual rotation. Test motor insulation
resistance.
V1.15
Warning
VFD1 Motor
Stall warning
Motor has stalled during
start or run
Check wiring between motor and VFD for
incorrect or loose connections. Check drive
system for proper alignment and wear. Verify
supply voltage within tolerance. Decouple
compressor from drive motor and check for
proper manual rotation. Test motor insulation
resistance.
V1.16
Warning
VFD1 Motor
Over Temp
warning
VFD has calculated that
the motor has been run
in an overloaded
condition for an extended
time and is too
Check wiring between motor and VFD for
incorrect or loose connections. Check drive
system for proper alignment and wear. Verify
supply voltage within tolerance. Decouple
compressor from drive motor and check for
proper manual rotation. Test motor insulation
resistance.
V1.16
Fault
VFD1 Motor
Over Temp fault
VFD has calculated that
the motor has been run
in an overloaded
condition for an extended
time and is too
Check wiring between motor and VFD for
incorrect or loose connections. Check drive
system for proper alignment and wear. Verify
supply voltage within tolerance. Decouple
compressor from drive motor and check for
proper manual rotation. Test motor insulation
resistance.
V1.19
Fault
VFD1 Power
Board EEPROM
fault
VFD has detected
internal memory error.
Power cycle drive. Contact Gardner Denver
service.
V1.20
Fault
VFD1 RAM fault
VFD has detected
internal memory error.
Power cycle drive. Contact Gardner Denver
service.
V1.21
Warning
VFD1 Serial
Flash Warning
VFD has detected
internal memory error.
Power cycle drive. Contact Gardner Denver
service.
V1.21
Fault
VFD1 Serial
Flash Fault
VFD has detected
internal memory error.
Power cycle drive. Contact Gardner Denver
service.