Troubleshooting guide

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9. 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 error
The MPC has detected that the motor shaft is not rotating at
the expected speed
ALARM
CAM SENSOR
MPC controller is not receiving correct signals from the cam
sensor in the pump eccentric box
COMMUNICATION
ERROR
Communication error exists between the MPC controller and
the handheld keypad/display module
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