Troubleshooting guide

6.3 Confirm Display and Keypad Functionality

The example display messages are shown in English for demonstration purposes. If an alternate

language has been set, the text is displayed as a translation of the English version.

Now that you have confirmed that the MPC is receiving power, it is necessary to confirm that the

display and keypad are functioning properly. On normal power-up, the display appears for

approximately 2 seconds.

PULSAFEEDER INC.

FW: 00.00/00.00

The first four digits displayed are the software revision for the MPC base unit, and the second four

indicate the software revision for the handheld display/keypad module.

The keypad can be tested by depressing each key separately. Most, but not all keys will cause the text

on the display to change. Do not be alarmed if a single key does not invoke a change to the display.

This is normal. Different keys become active/inactive depending on the current operating mode.

Please note that it may be necessary to adjust the display contrast, please refer to Section 8.4 if this is

required.

6.4 Flow Display

The MPC will display calibrated pump flow in GPH or LPH on the digital display. The MPC is capable

of very high turndown ratios, limited only by pump configuration and system design. In some cases, the

MPC display will be unable to display very low flow rates, in these situations the display may indicate

0.0 for flow, even though the pump is producing measurable flow. If the pump is being operated under

these conditions, users may wish to perform extra flow calibrations to verify actual flow rates at certain

setpoints. Note that even after the additional calibrations are done, the MPC will still not display the

low flow that the pump is producing.

In situations where the pump stroke length is set to 0 (zero) %, the pump will also display 0 (zero) GPH

or 0 (zero) LPH, regardless of motor speed setting. If the display registers no flow in this manner, check

the setting of the stroke length mechanism on your pump.

6.5 Wrapping up

Your MPC is now commissioned for use. Note that you cannot configure the software in a way that

would damage the MPC. Typically, whenever you are about to set a critical value (e.g., Calibrate

Flow), you are always prompted to confirm your change before it takes effect. If you are ever

dissatisfied with the configuration of your MPC, you can always return to the Factory Defaults by

referring to Section 6.6.