9 Trouble-shooting PROline Prosonic Flow 93 PROFIBUS-DP/-PA
140 Endress+Hauser
9.7 Replacing the device fuse
#
Warning!
Risk of electric shock. Exposed components carry dangerous voltages.
Make sure that the power supply is switched off before you remove the cover of the
electronics compartment.
The device fuse is on the power unit board (Fig. 74).
The procedure for replacing the fuse is as follows:
1. Switch off power supply.
2. Remove power unit board
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3. Remove cap (1) and replace the device fuse (2).
Use only fuses of the following type:
– Power supply 20...55 V AC / 16...62 V DC
2.0 A slow-blow / 250 V; 5.2 x 20 mm
– Power supply 85...260 V AC
0.8 A slow-blow / 250 V; 5.2 x 20 mm
–Ex-systems
See appropriate Ex documentation
4. Assembly is the reverse of the disassembly procedure.
" Caution!
Use only original Endress+Hauser replacement parts.
Fig. 74: Replacing the device fuse on the power unit board
1 Protection cap
2 Device fuse
F06-xxxxxxxx-03-xx-06-xx-000
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