Sullair SUPERVISOR CONTROLLER, User Manual

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40
NOTES
16 Motor
over-temperature • motor is overloaded
• motor overheating has been
detected by the variable speed
drive motor temperature model Decrease the motor load. If no
motor overload exists, check the
temperature model parameters
22 EEPROM
checksum fault Parameter save fault
• faulty operation
• component failure Upon reset of this fault, the variable
speed drive will automatically
reload the parameter default set-
tings. Check all parameter settings
after reset. If the fault reoccurs,
contact Sullair service
24 Counter fault Values displayed on the counters
are incorrect
25 Microprocessor
watchdog fault • faulty operation
• component failure Reset the fault and restart. Should
the fault reoccur, contact Sullair
service.
26 Startup prevented Startup of the drive has been pre-
vented. Check Start Enable/Interlock set-
tings.
31 IGBT temperature
(hardware) IGBT Inverter Bridge overtemper-
ature protection has detected a
high short-term overload current Check loading.
Check motor size.
32 Fan cooling The variable speed drive cooling
fan did not start when com-
manded Contact Sullair service.
36 Control Unit The control unit cannot control
the power unit and vice-versa Change the control unit.
37 Device change
(same type) • option board changed
• different power rating of drive Reset.
Note: No Fault Time Data Record is
made
38 Device added
(same type) • option board added
• drive of different power rating
added Reset.
Note: No Fault Time Data Record is
made
39 Device removed • option board removed
• drive removed Reset.
Note: No Fault Time Data Record is
made.
40 Device unknown Unknown option board or drive Contact Sullair service
41 IGBT temperature IGBT Inverter Bridge overtemper-
ature protection has detected a
high short-term overload current Check loading.
Check motor size.
44 Device change
(different type) • option board changed
• different power rating of drive Reset.
Note: No Fault Time Data Record is
made.
Note: Application parameter values
restored to default.
Code Fault Possible Cause Solution