Replacing Controller (Perfect) - Memmert BASIC Service Instructions Manual

13. Replacing controller (PERFECT)

• Pull out the mains supply plug!
• Remove the housing cover
• Pull off the turn control knob towards the front
• On 250°C/300°C ovens (UNP, UFP, SNP, SFP) unscrew the control chamber fan
• Cut the cable binder with the side cutters and remove it
• Disconnect the cable (8-way) for power supply from controller location J13
• Remove connector (4-pin) for Pt100 monitor controller from controller location J3
• Remove connector (4-pin) for Pt100 working controller from controller location J4
• Remove connector (10-pin) for RS232 interface from controller location J9
• Remove connector (30/22-pin) for printer interface from controller location J8
• Remove connector (4-pin) chip card reader from controller position J11 and disengage it
• Remove connector (4-pin) air flap servoce from controller position J1
• Remove connector (4-pin) for main switch from controller location J2
• Release three fixing screws (see ill.)
• Remove the controller towards the back
Cable binder
J J 13 13
Screws for control chamber fan
SERVICE - UIS
J J 4 4 J J 3 3
J J 11 11
page 14
Fixing screws
J J 2 2 J J 1 1
Example UFP 800
Cable binder
J J 9 9 J J 8 8