DANIEL 2234 Manual page 70

__________________________ MODEL 2234 DIGITAL FLOW COMPUTER
Table 2-5. Error Code Diagnostic Chart
Error Code Possible Cause
12 1. The full scale mass
Excessive rate is too high.
mass rate
output
13 1. Setting of full scale
Invalid ratio value(s) too high for
of line differential line
differential pressure; low zero
pressure to scale for static
static pressure
pressure
14 1. Setting of full scale
Abnormal value(s) too low for
value for line differential line
extension pressure and/or low
factor zero scale for static
pressure.
15 1. The computer has
Power failure experienced a power
or watchdog failure (and possibly a
timeout restart) since errors
were last cleared.
58
Check
1. Check full scale
mass rate (read code
11) LBHR.
1. Check full scale
value of differential
pressure for individual
lines (read codes 231,
232, 233, 234 and
235) H2O.
1. Check full scale
value of differential
pressure for individual
lines (read codes 231,
232, 233, 234 and
235) H2O.
2. Check zero scale
value of static pressure
(read code 10) PSIA
(Continued)
Solution
1. Enter correct full
scale value per
paragraph 3.6.4.
1. Enter correct full
scale value per
paragraph 3.6.1.
1. Enter correct full
scale value(s) per
paragraph 3.6.1.
1. Enter correct zero
scale value per
paragraph 3.6.1.
1. Enter command
code 0 and CLR the
error codes.
SECTION 2