Wash; Message External Hold; Messages Preconditioning , Wash , Recovering; Message Prism Wash Warning - Vaisala K-PATENTS PR-23 Series Instruction Manual

8 Troubleshooting

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, "Configuring input switches".
8.3.2 Messages
PRECONDITIONING
– : An optional preconditioning relay is closed, see Section 6.5
PRECONDITIONING
"Configuring prism wash".
– : The internal wash relay is closed, see Section 6.5 "Configuring prism wash".
WASH
– : The concentration measurement is on HOLD during a preset time.
RECOVERING
8.3.3 Message
PRISM WASH WARNING
No dip of n value during prism wash. The accepted size of the dip is set as the
D
function, Section 6.5, "Configuring prism wash". See also Section 5.1.3 "Testing
CHECK
prism wash".
8.3.4 Message
PRISM WASH FAILURE
No dip of n value during any prism wash during wash tolerance time. The wash tol-
D
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
see Section 6.3.2 "Configuring input switches".
– (Section 8.2.6) indicates empty pipe
NO SAMPLE
8.3.6 Message
LOW TEMP WASH STOP
Tells that wash action is prevented because of
indicates empty pipe. To set the limit, see Section 6.5 "Configuring prism wash".
8.3.7 Message
NO SAMPLE/WASH STOP
Tells that wash action is prevented because of
and the prism is clean.
, ,
WASH RECOVERING
EXTERNAL WASH STOP
: low process temperature
LOW TEMP
: the process pipe is empty
NO SAMPLE
73
WASH
switch is closed,