Thermo Fisher Scientific CyberScan pH 5000 - Manual (Page 127)

Instruction Manual CyberScan pH5500/ 5000
13 TROUBLE SHOOTING
Your CyberScan meter contains many error messages to provide aid
should trouble occur with a measurement or meter operation (touch
pad and input errors). The messages are accompanied by a brief
description of the error, and in some cases advice on how to correct
it. An example of an error message is:
Bad Electrode Slope
The electrode you have standardized has a slope which is out of the
normally acceptable range of 90% to 102%. You should try to
restandardise, or replace your electrode if the problem persists. Note
that you can continue to make measurements with this electrode;
however, the readings may be inaccurate.
Other error messages delivered by the meter are:
Data Log full
Data log empty
Unrecognized date
Unrecognized time
Invalid pH limit
Invalid ion limit
Invalid limit
Limit exceeded
Channel 1 limit exceeded
Channel 2 limit exceeded
Invalid temperature
Invalid Isopotential
Invalid Print interval
Invalid pH value
Sample ID not found
Operator ID not found
Also, whenever possible, touch help for complete information about
the meter operation in which you are currently engaged,
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