User`s manual

Diagnosis and Troubleshooting 10-3
December 2003
Table 10-1: Error Messages
Error
Message Problem
Possible
Cause Action
E0
No error. Displays briefly
after the display
of another error
message
None required.
E1
Low Signal -
Poor ultra-
sonic signal
strength.
Broken cable.
Flowcell prob-
lem. Transducer
problem. Elec-
tronic failure.
Check transducer
cable. See Flowcell
Problems on page
10-8 and Transducer
Problems on page
10-12. Check pro-
gramming and
transducer spacing.
Contact the factory
if problem persists.
E2
Sound Speed
Error (Sound
speed is pro-
grammed
using the Pro-
gram Menu
PIPE option.
as described
in Chapter 3)
Poor flow condi-
tions. Incorrect
programming.
Bad transducer
spacing. Mea-
surement is very
different from the
programmed
sound speed.
Check sound speed
against nominal
sound speed. See
Flowcell Problems
on page 10-8 and
Transducer Prob-
lems on page 10-12.
Check programming
and transducer spac-
ing.
E3
Velocity
Range -
Velocity
exceeds pro-
grammed lim-
its. (Velocity
limit is pro-
grammed
using the Pro-
gram Menu
SETUP
option as
described in
Chapter 3.)
Programming
error, poor flow
conditions, or bad
transducer spac-
ing.
Make sure flow rate
is within ±12 m/s
(±40 ft/s). Check
programming and
transducer spacing.
If programmed
value is outside of
limit, change the
limits as described
in Chapter 3 on
pages 37 and 38.
See Flowcell Prob-
lems on page 10-8
and Transducer
Problems on page
10-12.