YSI P 700 IQ Analyzer - Manual (Page 96)

96 ba76133e01 09/2013
P 700 IQ
Display of OFL
Display of ERROR
Interferences
e.g. in sample matrix Select suitable measuring loca-
tion
A valve does not operate Perform a Hydraulic check
Contact the service department
Photometer unit draws air (e.g.
lack of sample in the overflow
vessel) Make sure that there is enough
sample in the overflow ves-
sel,e.g.
Service the filter unit
Set the pump output to 10 - 100
ml / min
Cause Remedy
Cause Remedy
Measuring range exceeded Select different measuring range
Calibration error Carry out calibration
Measuring cell dirty Carry out cleaning procedure
Cause Remedy
P700IQ-PO4 not correctly con-
nected
Check the assignment of the ter-
minal connections
Load at a power supply module
too high Install an additional power
supply module (MIQ/PS) in the
vicinity of the sensor