9 Trouble-shooting
Proline Prowirl 72
56
E Hauser
9.6.2
Ex d version
!
Note!
• When connecting Ex-certified devices, please refer to the notes and diagrams in the Ex-specific
supplement to these Operating Instructions.
• Risk of damaging electronic components (ESD protection).
Static electricity can damage electronic components or impair their operability. Use a workplace
with a grounded working surface, purpose-built for electrostatically sensitive devices!
"
Caution!
Use only genuine Hauser parts.
Procedure when installing/removing electronics boards (see Fig. 27)
Installing/removing the I/O board (COM module)
1.
Release securing clamp (a) of the connection compartment cover (b).
2.
Remove connection compartment cover (b) from the transmitter housing.
3.
Disconnect terminal connector (c) from the I/O board (COM module) (e).
4.
Release threaded connection (d) of the I/O board (COM module) (e) and pull out the board
slightly.
5.
Disconnect connection cable plug (f) from the I/O board (COM module) (e) and remove the
board completely.
6.
Installation is the reverse of the removal procedure.
Installing/removing the amplifier board
1.
Unscrew the cover (g) of the electronics compartment from the transmitter housing.
2.
Remove the local display module (h) from the retaining rails (i).
3.
Fold up the plastic cover (j).
4.
Remove ribbon-cable connector of the local display module (h) from the amplifier board (t) and
release from the cable holder.
5.
Remove the signal cable connector (k) from the amplifier board (t) and release from the cable
holder.
6.
Release the fixing screw (l) and fold down the cover (m).
7.
Release both screws (n) of the board holder (o).
8.
Pull out the board holder (o) slightly and disconnect connecting cable plug (p) from the board
body.
9.
Pull the board holder (o) out completely.
10. Press the side latches (q) of the board holder and separate the board holder (o) from the board
body (r).
11. Replace the amplifier board (t):
– Loosen fixing screws (s) of the amplifier board.
– Remove the amplifier board (t) from the board body (r).
– Set new amplifier board onto board body.
12. Installation is the reverse of the removal procedure.
Summary of Contents for Proline Prowirl 72
Page 4: ...QUICK SETUP for quick commissioning Proline Prowirl 72 4 Endress Hauser...
Page 20: ...3 Installation Proline Prowirl 72 20 Endress Hauser...
Page 42: ...6 Commissioning Proline Prowirl 72 42 Endress Hauser...
Page 44: ...7 Maintenance Proline Prowirl 72 44 Endress Hauser...
Page 114: ...www endress com worldwide BA084D 06 en 12 05 71008404 FM SGML 6 0...
