PROGRAMMING GUIDE
SINUS PENTA
451/486
58.2.
What To Do When an Alarm Trips
CAUTION
If a protection trips or the drive is in emergency condition, the drive is locked and the
motor starts idling!
CAUTION
Before resetting an alarm, disable the
ENABLE-A
and
ENABLE-B
signals
on terminal
MDI2
to disable the drive and to prevent the connected motor from running at
uncontrolled speed.
Proceed as follows
:
1. Disable the
ENABLE-A
and
ENABLE-B
signals on terminal
MDI2
to disable the drive and to lock the
motor, unless parameter
C181
=1 (the Safety Start function is active): after resetting an alarm or after
supplying the drive, this will start only if the
ENABLE-A
and
ENABLE-B
contacts are open and
closed.
2. If the motor is idling, wait until it stops.
Check the
FAULT LIST
carefully for any information about the alarm tripped, in order to determine the
cause responsible for the alarm and its possible solutions.
Any information stored to the FAULT LIST is also required when contacting Elettronica Santerno’s Customer
Service.
3. In the following sections, find the relative alarm code and follow the instructions.
4. Solve any external problems that may have been responsible for the protection trip.
5. If the alarm tripped due to the entry of wrong parameter values, set new correct values and save
them.
6. Reset the alarm.
7. If the alarm condition persists, please contact Elettronica Santerno Customer Service.
A
RESET
command must be sent to reset the alarms tripped. Do one of the following:
•
Enable the
RESET
signal in
MDI3
terminal in the hardware terminal board;
•
Press the
RESET
key on the keypad;
•
Enable the
RESET
MDI3
signal in one of the virtual terminal boards enabled as remote control sources (see the
To activate the
Autoreset
function, enable parameter
C255
(see the AUTORESET MENU); the drive will automatically
try to reset the alarms tripped.
