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The One Series IAW™ diagnostics are capable of detecting many possible fault conditions. Some fault conditions will clear automatically when
the parameter returns to normal; others require the device to be powered down and restarted; and some may require repair or replacement.
A list of fault conditions is shown below:
If a fault message appears on the One Series display, a fault code can be obtained by pressing both keypad buttons
2g
simultaneously.
Please provide this code if calling UE Inside Sales for assistance.
ONE SERIES FAULT CODES
Code
Probable Cause
Reason
Action
E-
04
Loop Current Fault
The current measured in the 4-20mA loop, by the fault monitoring
circuitry, is incorrect.
Verify that the power supply voltage
and load resistance on the 4-20mA
loop are within allowable limits.
E-
15
Diagnostic Fault Sensor OPEN
An open circuit has been detected on the sensor drive pins 2 & 3.
Diagnostic Fault Sensor open, check
all sensor connections.
E-
16
Diagnostic Fault Sensor SHORT
A short circuit has been detected on the sensor drive pins 2 & 3.
Diagnostic Fault Sensor Short, check
all sensor connections.
E-
18
Diagnostic Fault Relay Monitor
The relay output fault monitor circuit has detected that the output
state of the solid state relay is incorrect. This feature must be
enabled in the menu.
Check the wiring connections or dis-
able feature if not being used.
E-
65
Error -- switch output
The switch output fault monitor circuit has detected that the switch
output state is incorrect.
Internal Hardware Fault, contact
factory
E-
88
Error -- Process Variable Extreme
Overrange
Extreme overrange, a pressure input has exceeded 150% of the op-
erating range or a temperature input has exceeded 110% of range.
Warning: This fault may indicate
damage to the sensor. Check that
the process is within the operating
limits of the device. Verify all sensor
connections.
NOTE:
Power cycling the One Series will reset some faults. If the fault remains after power cycling, please contact UE Inside Sales at
[email protected] or call +1 (617)-923-6977. Some fault codes not noted above indicate microprocessor faults.
Tabel 4
