beautypg.com

5 fuse locations – LumaSense Technologies M390S User Manual

Page 23

background image

M390S Manual

Maintenance 23

Refer to the Appendix for an exploded view of the cavity assembly.

5.5 Fuse Locations

The M390 has several fuses. Refer to the table below. See the appendix for photo-view of fuse
locations.
Fuse Nµmber Amps/volts

Location

Description

F1 & F4

3.15A / 250 VAC

External Rear Panel Fans

F2 & F5

1A / 250 VAC

External Rear Panel Temp. Controller

F3 & F6

2A / 250 VAC

External Rear Panel SCR Control

F7

125A / 250 VAC

In SCR on floor of
blackbody

SCR Main Fuse

Electrodes

Quartz tube with graphite

foil and felt around cavity

Slide this electrode out to

repair/replace cavity.

Electrode tension
adjustment

M668 Optics

Fr

o

n

t

R

ea

r