www.miinet.com
Moore Industries-International, Inc.
- 78 -
User’s Manual
224-790-00K
May 2018
Programmable Limit Alarm Trips
SPA
2
SECTION 6
Section 6: Operation and Maintenance
Operation
Once calibrated, installed, and supplied with the correct power, the SPA
2
begins to operate
immediately. Depending upon environmental conditions, it can be expected to operate unattended for
extended periods of time.
The SPA
2
has a high level of diagnostic capability to continually monitor itself and its input. If
problems are encountered the SPA
2
will provide messages on it’s display.
For a full list of diagnostic messages and corrective actions please refer to Table 6.1 .
Table 6.1.
SPA
2
Display Diagnostic Messages
*ERROR ADC
*ERROR RAM
*ERROR CALIB
*ERROR CKSUM
*ERROR BLANK
*ERROR SPA2
*ERROR RJC
*ERROR WDOG
*ERROR SWDOG
ERROR OUT OF LIMIT
ERROR UNDER RANGE
or
ERROR OVER RANGE
ERROR INSAT
ERROR INPUT
*ERROR DZERO
*ERROR CONFG
WIRE 1 BROKE
WIRE 2 BROKE
WIRE 3 BROKE
WIRES BROKE
EEPROM Error - The internal processor failed
Calibration data bad - The factory-set
calibration of the unit has failed to initialize
Reference Junction Compensation
Resistor Burnout
Cycle power to the unit, then run through
the configuration menus to ensure that the
technician made the correct sensor selections,
range settings, etc.
Cycle power to the unit, and if the error occurs
again, return the unit to the factory for service.
What it Means
What to Do
Other or combination of errors
Configuration or calibration data
checksum mismatch
Process variable out of range
(<-99999 or >+99999)
The input is out of the custom table or
RTD/TC table limits
Configuration information bad
EEPROM blank
Input saturation condition
(reaches 110% of calibrated range)
Input error condition
ADC watchdog failure
Wire 1 broken
Wire 2 broken
Wire 3 broken
Wire 4 broken or more than one wire broken
Check your system for a broken wire(s).
Fasten any loose wiring; replace broken
wires.
Maths division by zero error
Cycle power and download configuration data.
If the error occurs again, return the unit to the
factory for service.
Watchdog failure
Software Watchdog failure
Check input signal to ensure that it is within
sensor limits.
Check input signal to ensure that it is within
table limits.
Error Message
*
This will induce a “SPA
2
Failure” condition in a configured Fault Alarm.
