51-638 Echotel Model 338 Two-Wire Ultrasonic Transmitter
34
1.7.6 Programming Error Indications during
Programming by LEDs
The table below shows error messages that may be seen
while configuring a transmitter without an LCD module.
1.8
Diagnostic Error Codes
There are a total of 14 different error codes that the
Model 338 will produce depending on what type of mal-
function occurs. Should this table not resolve the issue
with the Model 338, contact the factory for further assis-
tance. Any returns to the factory must be accompanied by
an RMA (return material authorization) number, which
can be obtained by our Customer Satisfaction Department.
Action
LED error indication
Correction
Attempted programming
Blinking twice indicates that a
Reposition the unit such that a
valid echo was not found
valid echo can be found
Attempted programming
Blinking three times indicates
Will need to use an LCD to enter
that a password is needed for
the code that was previously
any changes
selected (see parameter 99)
Attempted programming
Blinking four times indicates
Will need to use an LCD module
the unit was not in LEV
to change parameter 01 to level
measurement mode
measurement mode
Error description
Causes and actions to be done
Memory error
Contact local representative or the factory
Echo loss
No echo received (no reflection) reposition the unit
Hardware error
Contact local representative or the factory
Display overflow
Check settings
Code referring to transducer error. Can be due to
Check for correct transducer mounting &
improper installation/mounting, or level in the
operation. Verify that that the liquid level is
dead zone (see P05)
not inside the dead zone set in P05
Measurement is at the reliability threshold
Re-aim the transducer, or try to find a better
mounting location
No signal received within the measuring range
Review programming, also look for any
specified in P04 and P05.
installation mistakes
Linearization table error: L(01) and L(02) are both
See section on Linearization Table
zero (no valid data pairs)
Linearization table error: there are two same left
See section on Linearization Table
column L(xx) data in the table
Linearization table error: the right column
See section on Linearization Table
r(xx) values are not in increasing order
Linearization table error: measured level is higher
See section on Linearization Table
than the last volume or flow data-pair
The checksum of the program in the EEPROM
Contact local representative or the factory
is wrong
Hardware failure
Contact local representative or the factory
Parameter consistency error
Check programming
