MID_PrimoAdvanced_Bedienungsanleitung_0704_e.doc
Error indication and clearance
Page 26/37
7.1 Replacing the meter fuse
Warning:
Do not exchange the fuse under applied power supply.
Fuse type: 85 - 265 VAC, 2 A (slow blow)
24 VDC, 2A (slow blow)
7.2 Replacing the amplifier electronic
Warning:
Switch off the auxiliary power before opening the casing cover.
1. Pull the electrode-, coil- and display plug. Loosen the screws S1 to S5 and take out
the circuit board.
2. Put in new circuit board and fasten with the screws S1 to S5. Connect the plugs and
cables.
3. The new circuit board possibly has to be programmed to the existing detector
(transmitter factor, size).
13
S
h
ie
ld
12
C2
11
C1
44 Shield
40 EP
44 Shield
46 E2
44 Shield
45 E1
Disp
lay
C
ali
brato
r
TP2
TP21
TP22
TP3
TP4
TP1
Hart
PWD
GND_S
E
EPROM
RS
Reset
GND_I
16
15
13
14
11
12
9
10
7
8
5
6
3
4
1
2
L
N
F1
2AT
BA13MID
S5
S4
S3
S1
S2
Display plug
Coil plug
Electrode plug
Fuse
85 – 265 VAC
24 VDC
L
N
F1
2A
T
B
A
14M
ID
+
-
F1
2
A
T
BA
1
14M
ID