AERCO Electronic Controls System (ECS) - Manual (Page 76)

Electronic Control System (ECS) and Type CXT-E Valve
APPENDIX A
Page 76 of 82
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 • Phone: 800-526-0288 VD2: 02/28/14
OMM-0003_0D AC-105
REFERENCE DOCUMENTS for MODBUS Points information: ( www.eurotherm.com )
• Eurotherm 2000 Series Communications Handbook, # HA026230
• Eurotherm 2404/2408 Control Setpoint Programmer Installation and Operation
Handbook, # HA025132
9.3 PROCESS ALARMS:
9.4 Eurotherm 2408 Process Alarms
DISPLAY MEANING
_FSL* PV Full Scale Lo w Alarm.
_FSH* PV Full Scale High Alarm.
_dEu* PV Deviation Band Alarm
_dHi* PV Deviation High Alarm
_dLo* PV Deviation Low Alarm
9.5 DIAGNOSTIC ALARMS
9.6 Eurotherm 2408 Diagnostic Alarms
DISPLAY MEANING WHAT TO DO`
EE.Er
Electrically Erasable Memory
Error: The value of an operator,
or configuration, parameter has
been corrupted.
This fault will automatically take you into
Configuration level. Check all of the
configuration parameters before
returning to Operator level. Once in
Operator level, check all of the operator
parameters before resuming normal
operation. If the fault persists, or occurs
frequently, contact your supplier
S.br
Sensor Break: Input sensor is
unreliable or the input signal is
out of range.
Check that the sensor is correctly
connected
L.br
Loop Break
The feedback loop is open circuit Check that the heating and cooling
circuits are working properly
Hw.Er
Hardware Error
Indication that a module is of the
wrong type, missing, or faulty. Check to ensure that the correct items
are installed. See page A-4 for
procedure to clear the Hardware Error.
n o . i o
No I/O
None of the expected I/O items
are installed This error message normally occurs
when pre-configuring a controller without
installing any of the required I/O
modules.
r m t . F
Remote input failure.
The remote DC input is open or
shorted
Check for open or short circuit wiring on
the remote DC input.
L L L L Out of range low reading Check the value of the input
H H H H Out of range high reading Check the value of the input