Cardinal 748 - Page 40

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Error
ErrAh
ErrAL
Err1
Err2
Err3
Err r
no bbr
An invalid keypad entry was attempted:
A. PRINT key pressed with a negative weight.
B. TARE key pressed to enter a Push button tare value of zero
or of a negative value.
C. ENTER key pressed to enter a Tare weight value that
exceeds the scale capacity.
D. ENTER key pressed to enter a Tare weight value that is
inconsistent with the scale’s division value (i.e. attempt to
enter a tare of 123 with scale divisions of 5).
E. ZERO key pressed when the gross weight is outside the
scale zero weight range.
F. lb/kg key pressed to change to kilograms when the kilogram
Tare weight value exceeds four (4) digits in length.
CORRECTIVE ACTION: determine which of the reasons for
the error display is applicable and take the appropriate
corrective action.
Analog Error High
1. The load cell input is above the range of the indicator.
CORRECTIVE ACTION: Check for improper load cell wiring,
excessive load, and for output of 1 to 50mV.
2. Load cell or circuit failure.
CORRECTIVE ACTION: consult your
scale serviceman.
Analog Error Low
1. The load cell input is below the range of the indicator.
CORRECTIVE ACTION: Check for improper load cell wiring
and for output of 1 to 50mV.
2. Load cell or circuit failure.
CORRECTIVE ACTION: consult your
scale serviceman.
A program checksum mismatch has been detected. CORRECTIVE
ACTION: consult your scale serviceman.
An illegal write to the NOVRAM has been detected.
CORRECTIVE
ACTION: consult your scale serviceman.
Internal RAM failure.
CORRECTIVE ACTION: consult your scale
serviceman.
The RAM test has detected one or more failures in the external 748
RAM memory.
CORRECTIVE ACTION: consult your scale
serviceman.
No battery-backed RAM. The time and date, zero dead load, DAC
output calibration, and truck file data has been lost. Operation may
proceed by pressing the CLEAR key and re-entering the lost data,
but the data will be lost when power is removed from the instrument.
Consult your scale serviceman to replace the RAM and clock
battery-backed IC.