Emerson Rosemount 326P, Quick Start Manual

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5 Troubleshooting
The pressure transmitter monitors itself for issues then reports the issues using the
display. If the pressure transmitter detects a fault, it will react according to FOU1 and
FOU2. Use the information in this section to identify and resolve common issues with the
pressure transmitter.
5.1 Error messages
Use the information in the table below to resolve errors with the pressure transmitter.
Display Description Corrective actions
Off The supply voltage is too low (fault
number W403). • Check and/or correct the supply
voltage.
• In a two-wire operation, check
and/or correct the connected
load.
PARA The parameter setting is outside the
permitted range. Reset the parameter.
E100 The pressure transmitter detected an
internal error. Replace the pressure transmitter.
5.2 Warning messages
Use the information in the table below to resolve issues indicated by warning messages
with the pressure transmitter.
Display LED Status Description Corrective actions
SC1 OUT1 Flashes Excessive current switching
output 1. Check switching output 1 for a
short circuit or excessive
current then remove the fault.
SC2 OUT2 Flashes Excessive current switching
output 2. Check switching output 2 for a
short circuit or excessive
current then remove the fault.
SC OUT1 and
OUT2 are
flashing Excessive current switching
output 1 and switching output
2. Check switching output 1 and 2
for a short circuit or excessive
current then remove the fault.
OL The measured value is more
than five percent above the
upper range limit (URL). Check the system pressure and
correct it if necessary.
UL The measured value is more
than five percent below the
lower range limit (LRL). Check the system pressure and
correct it if necessary.
Quick Start Guide Troubleshooting
00825-0100-4327 January 2019
Quick Start Guide 41