Error Codes; Overview; Table 6-1 Error Codes - Honeywell DC1000 Series Product Manual

Error Codes

6.1

Overview

Introduction
Instrument performance can be adversely affected by installation and application
problems as well as by hardware problems. We recommend that you investigate the
problems in the following order:
ERROR CODE
(NOTE !)
(NOTE !)
NOTE 1: If one of these messages appear in the upper display of the controller, please
check the points as described in the Solution column or call for techincal service.
48
6 Error Codes

Table 6-1 Error Codes

DESCRIPTION
Open the circuit of 'INPUT 1'
(sensor)
A/D Convert Failure
Cold junction compensation
failure
Open the circuit of 'INPUT 2'
(sensor)
Excess of PV over upper limit
(INPUT 1)
Shortage of PV under lower
limt (INPUT1)
Excess of PV over upper limit
(INPUT2)
Shortage of PV under lower
limt (INPUT2)
Memory (RAM) failure
Interface failure
Auto tuninig failure
DC1010/1020/1030/1040 Product Manual
SOLUTION
Check the wiring
Service Call required
Service Call required
Check the wiring
- Check sensor wiring& input
code
- Adjust the range of
indication
Service call required
Check wiring of input
Check wiring of output
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