Guildline Autosal 8400B - Page 5

TM8400B-L-00
1 November 2004
iii
9.3. TEMPERATURE CONTROL CIRCUIT .......................................................................................... 9-1
9.4. CONDUCTIVITY MEASURING CIRCUIT .................................................................................... 9-2
9.5. METER ASSEMBLY .......................................................................................................................... 9-3
9.5.1. METER CIRCUIT ............................................................................................................................. 9-3
9.5.2. DISPLAY CIRCUIT ......................................................................................................................... 9-3
10. MAINTENANCE .............................................................................................. 10-1
10.1. INTRODUCTION .............................................................................................................................. 10-1
10.2. GENERAL INSPECTION ................................................................................................................ 10-1
10.3. GENERAL CLEANING .................................................................................................................... 10-1
10.4. OPENING THE CABINET ............................................................................................................... 10-1
10.5. BATH TEMPERATURE VERIFICATION TEST ......................................................................... 10-2
10.6. DISPLAY METER TEST .................................................................................................................. 10-2
10.7. HEATER LAMP REPLACEMENT ................................................................................................ 10-3
10.8. CONDUCTIVITY CELL REMOVAL ............................................................................................. 10-3
10.9. PUMP SERVICING ........................................................................................................................... 10-4
10.9.1. SERVICE INSTRUCTIONS ...................................................................................................... 10-4
11. SERVICING AND CALIBRATION .................................................................. 11-1
11.1. GENERAL .......................................................................................................................................... 11-1
11.2. MAINTENANCE SCHEDULE ........................................................................................................ 11-1
11.3. SERVICE NOTES .............................................................................................................................. 11-1
11.3.1. CLEANING FLUSHING MANIFOLD/TUBES ........................................................................ 11-1
11.3.2. CHECKING THERMOELECTRIC COOLING UNIT .............................................................. 11-3
11.3.3. CHECKING IMPELLER ........................................................................................................... 11-3
11.3.4. CHECKING HEATER LAMPS ................................................................................................. 11-3
11.3.5. REMOVING TOP PANEL ......................................................................................................... 11-3
11.3.6. REMOVING TANK ................................................................................................................... 11-4
11.4. AUTOSAL CALIBRATION ............................................................................................................. 11-4
11.4.1. POWER SUPPLY CALIBRATION ........................................................................................... 11-5
11.4.2. CONDUCTIVITY PCB CHECK ............................................................................................... 11-6
11.4.3. METER CALIBRATION ........................................................................................................... 11-7
11.4.4. MATCHING AND BALANCING ............................................................................................. 11-7
12. TROUBLESHOOTING .................................................................................... 12-1