
Maintenance 107
5 Maintenance ...........................................................................................................109
Maintenance schedule............................................................................................................................109
Daily maintenance...................................................................................................................................110
Inspecting and cleaning the probes .......................................................................................................................110
Cleaning the probes using automatic advance probe motion............................................................................110
Cleaning the probes using manual probe motion..............................................................................................111
Probe cleaning procedure (optional method) ....................................................................................................112
Inspecting and cleaning the mixing rods and mixer wash cups .............................................................................113
Checking reagents and system solutions...............................................................................................................114
Inspecting and cleaning the reaction (WUD) and dilution (DWUD) cuvette washers.............................................114
Inspecting and cleaning the cuvette splash covers................................................................................................117
Inspecting and cleaning the probe wash cups.......................................................................................................118
Checking pumps for leaks......................................................................................................................................119
Checking the SP and DIP vertical pumps for leaks...........................................................................................119
Checking other vertical pumps for leaks............................................................................................................120
Checking the horizontal pumps for leaks...........................................................................................................120
Performing the startup wash (WASH3)..................................................................................................................121
Performing the shutdown wash..............................................................................................................................123
Performing additional ISE electrode washes .........................................................................................................124
Recording ISE slopes ............................................................................................................................................124
Weekly maintenance...............................................................................................................................125
Performing the weekly wash..................................................................................................................................125
Checking and replenishing the lamp coolant .........................................................................................................126
Checking lamp energy...........................................................................................................................................127
Reading lamp energy data ................................................................................................................................129
Measuring cuvette blanks......................................................................................................................................129
Cell blank measurement results are summarized as follows:............................................................................130
Cleaning the analyzer and rack handler exterior panels........................................................................................131
Monthly maintenance .............................................................................................................................132
Cleaning the turntable interiors (STT/CTT and RTT).............................................................................................132
Cleaning the inside of the STT/CTT housing.....................................................................................................132
Cleaning the inside of the reagent tray refrigerated housing.............................................................................133
Cleaning or replacing the wash solution reagent containers (53 – 56) ..................................................................133
Cuvette wash and cuvette conditioner usage....................................................................................................134
Cleaning and replenishing the dilution bottle .........................................................................................................134
Cleaning and replenishing the cuvette wash bottle................................................................................................135
Cleaning the chiller filter.........................................................................................................................................137
Every 2 months maintenance ................................................................................................................138
Cleaning the dilution tray cuvettes.........................................................................................................................138