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CHAPTER 6 - Alarm codifying
6.1.2 Visualization and codifying of alarms on the 7-segment display
As in the previous case, the following table describes the codes adopted on the display to
represent the different alarms.
DISPLAY
lamp
no lamp
0
0
1
2
3
4
5
6
7
8
9
All a.m. alarms are visualized on the alphanumeric keyboard through parameter
NOTE:
P28, ALARM. After suspension of the alarm cause, reset the drive by pressing
the CLR key or setting one of the configurable inputs.
To reset 7 and 8 alarms, the power supply of the drive must be interrupted (with
8 blinking, the alarm reset can be carried out by pressing the CLR key directly
on the keyboard). A generic alarm condition is also shown on the commands
connector terminals SDOK1 and SDOK2 (J1/16, J1/17). During normal
operating conditions SDOK relay is energized and the terminals are short-
circuited.
MANIU04.9607 GB 03/97
ALARM OR CONDITION
Stand by
Torque
Convertor
Thermal
Protection
Motor
Thermal
Protection
Resolver
connector
detachment
Overbraking
Overvoltage
Braking
circuit
fault
Fault on the
inverter
bridge
Undervoltage
2
I
t motor or
convertor
CONVERTOR-MOTOR CONDITION
Supplied drive
without any occurred alarm
Normal
operating
condition
Drive thermal sensor
intervention
Drive disabled
Motor thermal sensor
intervention
Drive disabled
Resolver signals missing
Drive disabled
Overbraking
Drive disabled
Overvoltage on the
DC BUS
Drive disabled
Brake module fault
Drive disabled
IPM Fault
Drive disabled
Undervoltage on the
DC BUS
Drive disabled
Overtemperature protection
Drive enabled
Page 6.2
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