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Service IPP 200-500/HPP 108 | 10/2008
Contents
1. About this guide 4
1.1 Purpose and target group 4
1.2 Related documents 4
1.3 Tools needed 4
1.4 Manufacturer address and
customer service 4
2. Safety regulations 5
3. Finding Errors and
Error Messages 6
4. Overview 8
4.1 Construction 8
4.2 Control unit 10
5. Removing covers 11
5.1 Removing top panel 11
5.2 R emoving the rear panel 12
6. Mainboard 13
6.1 Check switching function of
mainboard 13
6.2 Replace fuses 14
6.3 Replace mainboard 14
7. Replacing the switched mode
power supply 15
8. R eplace main switch module with
the push/turn control 16
9. Replace controller 17
10. Replace Pt100 temperature
sensor 18
11. Replacing the chamber fan 19
12. Removing the fan from the
rear panel 21
13. Replacing a Peltier
cooling/heating module 23
14. Adjusting and removing
inner door 25
14.1 Adjusting inner door 25
14.2 Removing the inner door 25
15. Installing, removing and
adjusting door 26
15.1 Removing the door 26
15.2 Installing the door 26
15.3 Adjusting the door 27
15.4 Removing and installing
the door lock 28
16. Replacing seals 30
16.1 Replacing door seal 30
16.2 Replacing the chamber
seal and the cage seal 30
17. Replacing the interface module 32
18. H umidification and/or
dehumidification does
not work properly 33
18.1 H umidification is not
working properly 33
18.1.1 Replac steam generator 35
18.1.2 Replacing the pump 36
18.2 Dehumidification is not
working properly 36
18.2.1 Replace fan and dehumidi-
fication Peltier module 37
18.2.2 Replace the dehumidi-
fication power supply unit 38
18.3 R eplace control module 39
18.4 Replacing the humidity sensor 40
19. C ircuit diagrams 42
19.1 Legend 42
19.2 IPP 200/300/400 43
19.3 IPP 500 44
19.4 HPP 108 45
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