Operation & Installation Manual
SENTRY™ 1510
Section 6: Troubleshooting
11984 Rev 01 Page 1 of 5
6.1 Troubleshooting
VER 2.9
N
2
at 30-100
psi
1. Process tube to intake (with drain)
2. Outlet to house exhaust (at least -2
inches H
2
O static pressure)
3. Supervisor to SENTRY cable
4. Tube controller to Supervisor cable
5. Pressure sense line from SENTRY
barbed fitting to process tube
6. Nitrogen to Swagelok fitting on
SENTRY
7. Supervisor power on
1
2
3
4
6
7
X
To drain
5
SENTRY™ 1510
Figure 6-1 : Check for the most common causes first.
Troubleshooting
Several basic causes are the source of most problems seen with the SENTRY 1510.
It will save time if these causes are checked first. Check items 1-7 in Figure 6-1
before continuing with the troubleshooting guide.
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