Pulsafeeder MPC - Manual (Page 41)

4. Scroll UP to display the default password “ 001 ”
5. Press MODE to enter the password
6. Scroll UP to the base frequency parameter which is “27” display will
show “P 27”
7. Press MODE to display the current setting (will be either 50 or 60)
8. Use the UP or DOWN keys to change the setting to the new value (either
50 or 60)
9. Press MODE to store the new value
10. Drive will exit the program mode after it stores the new value
This procedure should be used only if the base frequency of the pump
drive motor is changed.
11. Alarm and Error Messages
If a fatal error has occurred while in Operational Mode, the error will flash on the
screen and the Red LED lamp will also flash. The menus can still be accessed by
holding down the menu key. This allows the user to try and fix the source of the
error if possible.
The following table gives an example of these messages and when you can
expect them to be displayed.
Message Displayed When:
FATAL ERRORS: The pump and controller will not run while one of these error
conditions exists. The Red LED will blink and the error message will flash on the
screen. Users can access the menu system by pressing the MENU key. The
red LED and the message will cease when the error condition has been
corrected.
Analog Input # X
Out of Range
The analog input is less than 2.4 mA or greater
than 24 mA
ALARM
LEAK DETECT
The leak detection input has triggered
ALARM
LOW LEVEL
The level monitoring input has triggered
ALARM
AC DRIVE FAULT
Internal fault
ALARM
Motor e rror
The MPC has detected that the motor shaft is not
rotating at the expected speed
ALARM
CAM SE NSOR
MPC controller is not receiving correct signals from
the cam sensor in the pump eccentric box