Replacing A Defective Semiconductor Fuse - JUMO 709061/8-01-032 Operating Manual

8 Error messages and alarms

8.2 Replacing a defective semiconductor fuse

Opening the
housing
106
Caution! Risk of burns!
The device's heat sink can heat up during operation.
The current device temperature is shown on the display.
v Operating overview (on the first cover page)
h Disconnect the built-in device from the voltage supply on all poles
v Chapter 3.3 "Connection diagram"
h Check that the device is isolated (green Power LED must not be lit)
h Press spring clip (A) to the right and lever up the plastic housing (at the
point marked with an arrow) using a screwdriver (B).
A plug connection separates the display, keys, and interface from the power
section and you will be able to see the semiconductor fuse.
V1.04/EN/00561071 [Thyristor Power Switch TYA 201]
B
A