K-Patents PR-23 - Wash; Message EXTERNAL HOLD; Messages PRECONDITIONING, WASH, RECOVERING; Message PRISM WASH WARNING

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PR-23 instrucon manual
8.3 Wash
8.3.1 Message EXTERNAL HOLD
The concentration measurement is on HOLD due to an external switch closure. For
explanation, see Section 6.3.2, “Coniguring input switches”.
8.3.2 Messages PRECONDITIONING, WASH, RECOVERING
− PRECONDITIONING: An optional preconditioning relay is closed, see Section 6.5
“Coniguring prism wash”.
− WASH: The internal wash relay is closed, see Section 6.5 “Coniguring prism wash”.
− RECOVERING: The concentration measurement is on HOLD during a preset time.
8.3.3 Message PRISM WASH WARNING
No dip of n
D
value during prism wash. The accepted size of the dip is set as the WASH
CHECK function, Section 6.5, “Coniguring prism wash”. See also Section 5.1.3 “Testing
prism wash”.
8.3.4 Message PRISM WASH FAILURE
No dip of n
D
value during any prism wash during wash tolerance time. The wash tol-
erance time is set in wash parameters, see Section 6.5.2, “Setting prism wash parame-
ters”. See also Section 5.1.3 “Testing prism wash”.
8.3.5 Message EXTERNAL WASH STOP
Tells that wash action is prevented because an EXTERNAL WASH STOP switch is closed,
see Section 6.3.2 “Coniguring input switches”.
− NO SAMPLE (Section 8.2.6) indicates empty pipe
8.3.6 Message LOW TEMP WASH STOP
Tells that wash action is prevented because of LOW TEMP: low process temperature
indicates empty pipe. To set the limit, see Section 6.5 “Coniguring prism wash”.
8.3.7 Message NO SAMPLE/WASH STOP
Tells that wash action is prevented because of NO SAMPLE: the process pipe is empty
and the prism is clean.