
IM-P505-02-US
Issue 1
75
UTM20 Series Ultrasonic Transit-time Flowmeters
11.5 Warning and Alarm Message Codes
Failure Codes
Code
Description
Correction
F02 ELECTRONIC ERROR
Multiple watchdog timeouts occurred Contact factory
F03 ELECTRONIC ERROR
Voltage levels are out of
specification
Reboot transmitter; If error repeats,
repair or replace transmitter
F10 LOW SIGNAL
Signal strength is below cutoff
Check for empty pipe, transducer
spacing and parameter settings
F11 HIGH SIGNAL
Signal strength is oversaturated
Change transducer mounting for
more paths or enable shunt resistor
F20 RTD #1 ERROR
Unable to detect RTD #1
Check wiring to RTD #1 connector
F21 RTD #2 ERROR
Unable to detect RTD #2
Check wiring to RTD #2 connector
Check Function Codes
Code
Description
Correction
C01 CURRENT TEST
Current output is in test mode
Change Current Output from Test
Mode
C10 OUTPUT #1
FREQUENCY TEST
Output #1 is in frequency test mode
Change Output #1 from Test Mode
C11 OUTPUT #1 PULSE TEST
Output #1 is in pulse test mode
Change Output #1 from Test Mode
C12 OUTPUT #1 SWITCH TEST
Output #1 is forced on or off
Change Output #1 from Test Mode
C20 OUTPUT #2
FREQUENCY TEST
Output #2 is in frequency test mode
Change Output #2 from Test Mode
C21 OUTPUT #2 PULSE TEST
Output #2 is in pulse test mode
Change Output #2 from Test Mode
C22 OUTPUT #2 SWITCH TEST
Output #2 is forced on or off
Change Output #2 from Test Mode
C30 OUTPUT #3
FREQUENCY TEST
Output #3 is in frequency test mode
Change Output #3 from Test Mode
C31 OUTPUT #3 PULSE TEST
Output #3 is in pulse test mode
Change Output #3 from Test Mode
C32 OUTPUT #3 SWITCH TEST
Output #3 is forced on or off
Change Output #3 from Test Mode
C41 AUX #1 PULSE TEST
Aux Output #1 is in pulse test mode
Change Aux Output #1 from Test
Mode
C42 AUX #1 SWITCH TEST
Aux Output #1 is forced on or off
Change Aux Output #1 from Test
Mode
C51 AUX #2 PULSE TEST
Aux Output #2 is in pulse test mode
Change Aux Output #2 from Test
Mode
C52 AUX #2 SWITCH TEST
Aux Output #2 is forced on or off
Change Aux Output #2 from Test
Mode
C60 SIMULATION MODE
Meter is running flow simulation
Deactivate Simulation Mode