DANIEL 2234 Manual page 75

MODEL 2234 DIGITAL FLOW COMPUTER ___________________________
Table 2-5. Error Code Diagnostic Chart
Error Code Possible Cause
31 1. Possibly 24 volt
five volt circuit is out of
calibration tolerance.
error
SECTION 2
Check
1. Check voltage on
PC Board 1 with a
digital voltmeter for
5.000 volt.
Check command code
99 for FIC.
(Continued)
Solution
1. Adjust 24-volt
supply output for
5.000 volts per
paragraph 4.2.4.
2. Perform reference
and rate voltage
calibrations per
paragraphs 4.3.1 and
4.3.2.
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