
Appendix A—Fault and Warning Codes
44
Variable Speed Drives Series III
LIT-12012996—April 2018
www.johnsoncontrols.com
90
Drive Under Temp
Warning/Fault
• Cold weather mode is not enabled, and
unit temperature is less than -10 degree.
• Cold weather mode is enabled and Under
Temp Fault Override is not set, unit
temperature is less than -30 degree.
• Cold weather mode is enabled and Under
Temp Fault Override is not set, unit
temperature is -20~ -30 degree. The temp
<-20 degree when cold weather start
times out.
If unit temp -20 ~ -10 degree, start motor in
cold weather mode.
If unit temp <-20°, warm up unit above
-20°C for proper operation using cold
weather mode.If still < -20° when cold
weather mode times out, try higher output
voltage in cold weather mode.
91
Option Card Fault
Configurable
Fault
External supply on the DeviceNet
communication connector is not present.
Check voltage and wiring of power supply
of the DeviceNet communication.
92
External Fault 2
Configurable
Fault
Digital input is activated for external
fault input.
Check digital input settings and verify input
level, could be an external device causing
fault.
93
External Fault 3
Configurable
Fault
Digital input is activated for external
fault input.
Check digital input settings and verify input
level, could be an external device causing
fault.
103
Drive OverTemp
Warning
Warning
Drive degree greater than
(DCI_wDriveOverTempThreshold value -10
degree) and less than
DCI_wDriveOverTempThreshold value,report
drive over temperature warning.
Check the drive degree
104
Compatibility Fault
Warning
DSP firmware is not compatible with
MCB firmware
Check the DSP firmware revision
105
Compatibility Fault
Warning
Keypad firmware is not compatible with
MCB firmware
Check the keypad firmware revision
106
Compatibility Fault
Warning
IO1 card firmware is not compatible with
MCB firmware
Check the IO1 card firmware revision
107
Compatibility Fault
Warning
IO2 card firmware is not compatible
with MCB firmware
Check the IO2 card firmware revision
108
Compatibility Fault
Warning
IO3 card firmware is not compatible
with MCB firmware
Check the IO3 card firmware revision
109
Compatibility Fault
Warning
IO4 card firmware is not compatible
with MCB firmware
Check the IO4 card firmware revision
110
Compatibility Fault
Warning
IO5 card firmware is not compatible
with MCB firmware
Check the IO5 card firmware revision
111
Compatibility Fault
Warning
Profibus card firmware is not compatible
with MCB firmware
Check the Profibus card firmware revision
Table 52. Fault Codes and Descriptions, continued
Fault
Code
Fault Name
Fault Type
Default
Fault Type
Possible Cause
Remedy