
ASTOTHERM PLUS Repair Instructions
Revision: 6 – 03/2010 Page 3
Table of Contents
1TECHNICAL DESCRIPTION...............................................................................................................................5
1.1 General ............................................................................................................................................................5
1.2 Structure ..........................................................................................................................................................6
1.3 Description of the electronics...........................................................................................................................7
1.4 Technical Data.................................................................................................................................................9
1.5 Terminal connecting plan...............................................................................................................................11
1.6 ASTOTHERM PLUS spare parts...................................................................................................................12
2GENERAL GUIDELINES AND PRINCIPLES FOR THE REPAIR OF ASTOTHERM PLUS BLOOD AND
INFUSION WARMERS......................................................................................................................................19
2.1 Technical Service and Ordering Spare Parts ................................................................................................19
2.2 Guarantee repairs..........................................................................................................................................19
2.3 Liability...........................................................................................................................................................19
2.4 Important instructions.....................................................................................................................................20
2.5 Procedure for ASTOTHERM PLUS repairs ...................................................................................................21
3CLEANING AND DISINFECTING .....................................................................................................................22
4FUNCTIONAL CHECK......................................................................................................................................22
4.1 Check display devices (LCD and LED):.........................................................................................................23
4.2 Check heating-up time...................................................................................................................................23
4.3 Check display temperature fluctuation...........................................................................................................23
4.4 Check temperature in control state................................................................................................................24
4.5 Test temperature overshoot on heating.........................................................................................................24
4.6 Alarm test functions .......................................................................................................................................25
4.7 Checking safety cut-offs.................................................................................................................................25
4.8 Measuring resistance of ASTOLINE active insulation ...................................................................................27
4.9 Testing ASTOLINE connection......................................................................................................................27
5TROUBLESHOOTING.......................................................................................................................................28
6DISMANTLING ..................................................................................................................................................30
6.1 Dismantling for troubleshooting in assemblies ..............................................................................................30
6.2 Dismantling bottom part assembly.................................................................................................................31
6.2 Dismantling bottom part assembly.................................................................................................................32
6.3 Dismantling the top part assembly.................................................................................................................33
6.4 Dismantling the heat exchanger cylinder assembly.......................................................................................33
6.5 Dismantling the device fixing assembly .........................................................................................................34
7ASSEMBLING THE DEVICE.............................................................................................................................35
7.1 Assembling the device fixing assembly .........................................................................................................35
7.2 Assembling the heat exchanger assembly ....................................................................................................35
7.3 Assembly of the top part assembly................................................................................................................37
7.4 Assembling the bottom part assembly...........................................................................................................39
7.5 Final assembly of assemblies........................................................................................................................41
8ELECTRICAL SAFETY TEST...........................................................................................................................43
9CONTINOUS DUTY TEST.................................................................................................................................44
10 RETURN AND/OR DISPOSAL OF DEVICES OR ASSEMBLIES....................................................................44
11 APPENDIX.........................................................................................................................................................45