Emerson M200-01200024A10101AB100 Quick Start Manual page 53

Trip
Condition
code
Braking IGBT over current
OI.br detected: short circuit protection
for the braking IGBT activated
OI.SC Output phase short-circuit
Option module does not
OPt.d acknowledge during drive mode
changeover
Out.P Output phase loss detected
DC bus voltage has exceeded the
OV peak level or maximum continuous
level for 15 seconds
Power system configuration data
P.dAt
error
Pb.bt Power board is in bootloader mode Power board is in bootloader mode
Communication has been lost /
Pb.Er errors detected between power
control
Pb.HF Power board HF
Pd.S Power down save error
PH.Lo Supply phase loss
PSU Internal power supply fault
r.ALL RAM allocation error
r.b.ht Hot rectifier/brake
Measured resistance has
rS
exceeded the parameter range
Control word watchdog has timed
SCL
out
Option module in option slot 1 has
SL.dF
changed
Option module in option slot 1 has
SL.Er
detected a fault
SL.HF Option module 1 hardware fault
Option module in option slot 1 has
SL.nF
been removed
Option module watchdog function
SL.tO
service error
Unidrive M200-201 Quick Start Guide
Issue Number: 6
Description
Over current has been detected in braking IGBT or braking
IGBT protection has been activated.
Possible cause:
• Check brake resistor wiring
• Check braking resistor value is greater than or equal to the
minimum resistance value
• Check braking resistor insulation
Over-current detected on drive output when enabled.
Option module did not acknowledge notifying the drive that
communications with the drive has been stopped during the
drive mode changeover within the allocated time.
Phase loss has been detected at the drive output.
The OV trip indicates that the DC bus voltage has exceeded the
maximum limit.
Possible solutions:
• Increase Deceleration Rate 1 (Pr 00.004)
• Decrease the braking resistor value (staying above the
minimum value)
• Check nominal AC supply level
• Check for supply disturbances which could cause the DC
bus to rise
• Check motor insulation using a insulation tester
Contact the supplier of the drive.
Communications loss between power and control.
Power processor hardware fault - contact the supplier of the
drive
Error has been detected in the power down save parameters
saved in non-volatile memory.
The drive has detected an input phase loss or large supply
imbalance.
One or more internal power supply rails are outside limits or
overloaded.
Option module derivative image has requested more parameter
RAM than is allowed.
Over-temperature detected on input rectifier or braking IGBT.
The measured stator resistance during an autotune test has
exceeded the maximum possible value of Stator Resistance.
Refer to the Drive User Guide.
The control word has been enabled and has timed out
Option slot 1 on the drive is a different type to that installed
when parameters were last saved on the drive.
Option module in option slot 1 on the drive has detected an
error.
Option slot 1 on the drive has indicated a hardware fault.
The option module in option slot 1 on the drive has been
removed since the last power up.
The option module installed in Slot 1 has started the option
watchdog function and then failed to service the watchdog
correctly.
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