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4.4 Replacing the Fuses – Fig 4.5
The instrument is protected by two fuses located on the probe heater supply p.c.b. In order to replace the fuses, the main analyzer
p.c.b. must be removed for access as shown.
Caution. The upper enclosure cover
is not hinged or captive when unlocked.
Remove the screws securing the main
p.c.b. and carefully move it aside to gain
access to the fuses located on the probe
heater supply p.c.b. beneath
Locate and replace the fuses
4
as required
Fuse 2 – Mains Supply
Note.
Fuse Part No: B10144
Rating:
2.5A
Size:
20mm
Type:
Anti-surge
ZDT-0203
-0200B
ISS.1
Fuse 1 – Probe Heater Supply
Fig. 4.5 Replacing the Fuses
3
Relocate the main p.c.b. and secure with the screws
5
Offer the cover up to the enclosure and reconnect the
6
ribbon cable
Refit the upper enclosure cover and lock securely
7
4 CONNECTIONS...
Disconnect the front panel
2
ribbon cable at the main
p.c.b. end
Unlock and carefully
1
remove the upper
enclosure cover.
9
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