Calibration - Health O Meter 753KL User Instructions

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TROUBLESHOOTING (CONTINUED)
ERROR ID
Err 1 Mathematical mistake; division by zero.
Cannot calculate calibration factor.
Err 2 Weight loaded too low.
Cannot calibrate.
Err 3 Unstable weight. Cannot calibrate
Err 5 Calibration disabled
Err 6 High saturation state (high A/D)
Err 7 Low saturation state (low A/D)
CALIBRATION OF THE 753KL
This scale has been factory calibrated and does not require calibration prior to use, but
requires official inspection prior to use as a legal for trade scale.
On the back of the display module, to the left of the DC IN power jack, is a small access cover plate.
The cover plate is held on by a hex sealing screw. Removing the cover plate exposes the Calibration
Enable / Disable or push off / push on switch. The scale is shipped with the switch in the calibration
disable position (push on).
The calibration procedure may be performed using a known weight in either pounds or kilograms. The
default is in pounds, but calibration can be done according to the unit of measure used upon entering into
the calibration path. The following instructions assume the scale is set to measure lbs. If you prefer to
calibrate in kilograms, please call Health o meter® Professional Technical Support at 800-638-3722.
Note: Calibration weight must be no less than 60 lb (27kg) and no more than 300 lb (150 kg).
Enable scale calibration by toggling the Calibration push switch off.
While display module is turned on and "START' is displayed on the LCD (for
3 seconds); Press ZERO-kg/lb-kg/lb-ZERO
Press ENTER
Press ENTER to calibrate with 300lb. Press BMI to change the weight and
then the arrows to change the flashing digit, BMI to move to the next digit,
until you reach the required weight (no less than 60lb /27kg and no more
than 300lb / 150kg)
Clear the platform and press ENTER
Wait without touching or shaking the scale until the zero calibration process
is finished
Load the platform with the required weight and press ENTER
Press ENTER
Remove weight from the platform
Wait until the scale resumes normal operation
Disable scale calibration by toggling the Calibration push switch on.
Replace the access cover plate.
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DEFINITION
ACTION
CHECK/REPLACE
The calibration is performed with no calibration weight
While in calibration procedure add more weight in load
mode
Check the load cells mechanical surroundings and see
nothing touches them and the cables are well connected
Toggle the calibration switch to enable
The load cell is not connected correctly. Check the
connection, cables, and mechanical connection. If the
problem persists, replace the set of load cells
See Err 6
3
DISPLAY SHOWS
"CAL"
"Load/300.0"
"CLEAR"
"-----------"
"Put XXX.X"
"-----------"
"DONE"/"CLEAR"
"START"
"0.0"