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Err 220 ROM checksum error; the data in the internal Follow the procedure in “Exchanging the Main PCB.”
ROM of the balance processor (AOC) are
incorrect.
Err 230 RAM read/write error; the data in the internal Follow the procedure in “Exchanging the Main PCB.”
RAM of the balance processor AOC is incorrect,
or not possible.
Err 237 EEPROM checksum error in the linearity range; Overwrite the incorrect data record using the
the balance has not yet been linearized, or the MC1 Server 4.4. Then proceed as directed in
data in the internal EEPROM of the balance "Adjusting the Linearity” and “External Calibration.”
processor AOC are incorrect.
Err 239 EEPROM checksum error in the linearity weight Follow the procedure for “Overwriting the Internal
range; the stored factor for the linearity weight Linearity Weight.”
is not within the permissible tolerance range or
is incorrect.
Err 241 EEPROM checksum error in the permanent area; Overwrite the incorrect data record using the
the data for the balance operating menu in the MC1Server 4.4. If the error remains, then proceed
internal EEPROM of the balance processor with “Exchanging the Main PCB.”
AOC are incorrect.
Err 243 EEPROM checksum error in the menu range; With the menu access switch unlocked, access the
the inalterable data in the internal EEPROM menu (display will flash). Exit the menu and store (press
of the balance processor AOC are incorrect. the tare key for more than 2 sec.) => The menu is now
reset. Checksums are corrected.
Err 245 EEPROM checksum error in the calibration/ Perform “External Calibration/Adjustment.”
adjustment range (zero point); the balance has
not yet been calibrated or the data in the internal
EEPROM of the balance processor AOC are
incorrect.
Err 247 EEPROM checksum error in the adjustment/ Perform “External Calibration/Adjustment.”
calibration range (span); the balance has not
yet been calibrated or the data in the internal
EEPROM of the balance processor AOC are
incorrect.
Err 249 EEPROM checksum error in the calibration Follow the procedure for “Overwriting the Internal
weight range; the factor stored for the internal Calibration Weight.”
weight calibration exceeds the tolerance range,
or is incorrect.
L The weight on the pan is below the weighing Make sure there was no operating error. If the error
capacity; the pan is not on the balance, remains, perform “External Calibration/Adjustment”
the balance was incorrectly adjusted or follow the procedure for “Adjusting the Preload.”
or the preload was incorrectly adjusted.
H The weight on the pan exceeds the weighing Make sure there was no operating error. If the error
capacity; the weight is too heavy; the balance remains, perform “External Calibration/Adjustment”
was incorrectly adjusted;or the preload was or follow the procedure for “Adjusting the Preload.”
incorrectly adjusted.
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