Ohaus Adventurer ™ Balances AX224N

Remove the balance load cell metal cover

Locate and remove the cables connecting the Conventional MFR load cell to the balance main PCBA

Locate and remove the screws securing the Conventional MFR Cell to the bottom housing

Place a mass weighing half of the balance’s capacity in the center of the Pan.

Press the On/Off button to return the reading to zero.

Move the mass halfway to the rear of the Pan and note the reading.

Move the mass halfway between the center and the left edge of the Pan and note the reading.

Move the mass halfway between the center and the right edge of the Pan and note the reading.

Move the mass halfway to the front of the Pan and note the reading.

Turn off the balance and unplug the power cord

For a balance with a Draft Shield, remove the weighing pan and wind ring and set aside

Remove the EMC plate by removing the two screws holding it to the balance top housing

Remove the two screws securing the draft shield housing to the balance

Remove the balance top housing by lifting the back upwards and sliding it forward

Remove the keypad membrane cable by unfastening the connector

Remove the TFT LCD cable by lifting the connector lock upwards

Detach the latch located at the right front of the balance

Tare the balance. Ensure the reading on the display is 0g.

Record the reading after placing a mass near the maximum capacity on the center of the Pan.

Remove the mass and ensure the reading returns to 0g ±1 count.

Repeat the test three times and ensure readings are within ±1 count of the recorded reading.

Is the deviation within the tolerance listed in Table 4-1 or 4-2?

Inspect and correct the following areas if deviation is greater than tolerance

Ensure the balance is powered off

Gather necessary tools for replacement

Remove the balance load cell metal cover

Is the Strain Gage load cell visible?

Locate and remove the cable connecting the Strain Gage type load cell to the balance main PCBA

Locate and remove the 4 screws securing the Strain Gage Load Cell to the bottom housing