Thermo Fisher Scientific CyberScan pH 10/pH 100 - Manual (Page 55)

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12 ERROR MESSAGES
The following table provides a guideline to enable diagnosis of possible problems indicated by
the messages generated by the CyberScan meter. The table also provides possible solutions
to the problems encountered.
ERROR MESSAGE INDICATES POSSIBLE CAUSE CORRECTIVE
ACTION
Err. 1 (in primary
display) Memory write error Instrument too old (> 10
years) or hardware
failure. Turn OFF meter and
turn it ON. Return to
dealer if necessary.
Err. 2 (in primary
display) Memory checksum error Hardware failure. Turn OFF meter and
turn it ON. Return to
dealer if necessary.
Err. 3 (in primary
display) ADC error Hardware error. Turn OFF meter and
turn it ON. Return to
dealer if necessary.
Err. 4 (in primary
display) Keypad error One or more keys on the
keypad are stuck. Turn OFF meter and
turn it ON. Return to
dealer if necessary.
Err. Annunciator Wrong keypad input Wrong input in selected
mode. Release key. Select
valid operations
depending on mode.
Electrode icon & buffer
icon blinks & Err
annunciator lights up Calibration Incorrect buffer used or
contaminated buffer
solution Check if the right buffer
was selected or use
fresh buffer solution.
Battery icon lights up Low Battery Battery power is low Replace batteries with
fresh ones as soon as
possible.