69
Air in line
The ATG has sensed line
pressure variations
Investigate, then Purge Line
Starting at the Furthest
Dispenser
Not learned
Learn Line (FMS > Control >
Lines > Learn) follow learn
procedures
Follow learn procedures
Insufficient
volume
Line is too small
Leak generator not correct
Air in the line
Check line size
Review leak generator set-
up
Purge air from the line
Alarms during operation
Alarm
Symptom
Possible Cause
Resolution
Failed to
pressure up
Pressure was less
that 12 psi after
programmed delay
when STP turned on
Clogged STP intake
Investigate, force a
manual test and observe
pressure
STP is not turning on Verify that the 4-20
transducer is a relay/TPI
input.
Check the programming
Is the pump controller
powered on?
Check the controller
If controlled by a relay, is
the common of the relay
wired to 110 V?
Test the voltage on the
relay common
Is another STP turning on?
Check the other STPs
STP is turning on,
but the LS500
doesn’t see the
pressure change
Is the 4-20 transducer in
alarm?
Check alarms
Is the wrong transducer
mapped?
Check programming
Catastrophic leak
Investigate for leaks
Is the clamp valve down?
Look at the pressure
gauge on the needle
valve kit for operating
pressure
Summary of Contents for KWIK TRIP EVO 5000
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