
Helmer Scientic Plasma Thawing System Service Manual
360097-1/K ii
Contents
1 About this Manual................................................................................................ 3
1.1 Intended Audience ..........................................................................................3
1.2 Model References...........................................................................................3
1.3 Intended Use...............................................................................................3
1.4 Safety Symbols and Precautions ...............................................................................3
1.5 Avoiding Injury..............................................................................................3
1.6 Product Labels .............................................................................................4
2 InstallationandConguration ...................................................................................... 5
2.1 Remove Packing Materials ....................................................................................5
2.2 Lifting and Carrying the Plasma Thawer .......................................................................... 5
2.3 Install External Thermometer (Optional) .......................................................................... 5
3 Controls ........................................................................................................ 6
3.1 Chamber Heater ............................................................................................6
3.2 Active Alarms and Error Messages..............................................................................6
3.3 Temperature Alarm Setpoints ..................................................................................7
3.4 Temperature Controller Setpoints ............................................................................... 8
3.5 Level 1 Parameters and Values ................................................................................ 9
3.6 Level 2 Parameters and Values ............................................................................... 10
3.7 Level 3 Parameters and Values ............................................................................... 10
3.8 Level 4 Parameters and Values ................................................................................11
3.9 Plasma Thawer Setpoint ......................................................................................11
3.10 Sensor Calibration.......................................................................................... 12
4 Maintenance.................................................................................................... 13
4.1 Test the High Temperature Alarm .............................................................................. 13
4.2 Clean the Plasma Thawer....................................................................................13
4.3 Maintaining Water Cleanliness ................................................................................15
4.4 Lubricate and Service Internal Parts ............................................................................15
4.5 Supplies .................................................................................................16
5 Troubleshooting ................................................................................................ 17
5.1 Error Messages............................................................................................17
5.2 General Operation Problems ................................................................................. 18
5.3 Chamber Temperature Problems ..............................................................................19
5.4 Alarm Activation Problems ................................................................................... 20
6 Parts .......................................................................................................... 21
6.1 Front and Sides............................................................................................21
6.2 Top and Rear..............................................................................................22
6.3 Interior...................................................................................................23
6.4 Basket................................................................................................... 25
6.5 Accessories...............................................................................................26
7 Schematics .................................................................................................... 27
7.1 DH2.....................................................................................................27
7.2 DH4 and DH8 ............................................................................................. 28
Appendix A: Alarm Reference......................................................................................... 29
Appendix B: Warranty ............................................................................................... 30