GE PT878GC Manual do Utilizador Página 253

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Diagnosis and Troubleshooting 10-3
April 2004
Table 10-1: Error Messages
Error
Message Problem
Possible
Cause Action
E0
No error. Displays briefly
after the dis-
play of another
error message
None required. Mea-
surement is valid.
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-
9 and Transducer
Problems on page 10-
11. Check program-
ming 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 4.)
Poor flow con-
ditions.
Incorrect pro-
gramming. Bad
transducer spac-
ing. Measure-
ment is very
different from
the pro-
grammed
sound speed.
Check sound speed
against nominal sound
speed. See Flowcell
Problems on page 10-
9 and Transducer
Problems on page 10-
11. Check program-
ming and transducer
spacing.
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