User's Manual

Troubleshootin
g
Isolation Board Troubleshooting
Figure 11 Isolation Board
Table 3 . Isolation Board Diagnostics
Component or
Indicator
Description Diagnosis
D6
LED (yellow) IS Communication
D7
LED (
green)
IS Po
wer
D8
LED (green) Non-IS Power
D14
LED (yellow) Non-IS Communication
J1
Co
nnector
No
n-IS
J2
Connector Non-IS
J
3
Connector Intrinsically Safe
J4
Connector Intrinsically Safe
S1 Pushbutton Switch For Non IS connectors. If switch S1 is off, yellow LED (D14) is
steady on. Push switch to turn switch on.
S2 Pushbutton Switch For Intrinsically Safe connectors. If switch S2 is off, yellow LED
(D6) is steady on. Push switch to turn switch on.
2
4
3A2800B