AERCO SWDW68 U-Tube Double-Wall Heaters w/ECS - Manual (Page 94)

HE-
111 − APPENDIX A
Rev B Mar 2013 A-8
A.3 PROCESS AND DIAGNOSTIC ALARMS
A.3.1 Process Alarms
The following are the process alarms that can appear on the Temperature Controller display.
Table A-2. Process Alarms
DISPLAY MEANING
_FSL* PV Full Scale Low Alarm.
_FSH* PV Full Scale High Alarm.
_dEu* PV Deviation Band Alarm
_dHi* PV Deviation High Alarm
_dLo* PV Deviation Low Alarm
A.3.2 Diagnostic Alarms
The following are the diagnostic alarms that can appear on the Temperature Controller display.
Table A-3. 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
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
A.3.3 for procedure to clear the hardware error.
no.io 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.
rmt.F Remote input failure.
The remote DC input is open or
shorted. Check for open or short circuit wiring on the remote DC
input.
LLLL Out of range low reading Check the value of the input
HHHH Out of range high reading Check the value of the input
Err1 Error 1: ROM self-test fail Return Controller for repair