AERCO Control System (ACS)
APPENDIX B:
Status and Fault Messages
Page 94 of 139
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, New York 10913
11/22/2017
GF-131
Phone: 800-526-0288
OMM-0081_0F
TABLE B-2: C-More Status and Fault Messages
Code
Message
Description
37
IGNITION BOARD COMM
FAULT
Communication fault between the Ignition board and the
CPU board.
39
DIRECT DRIVE
SIGNAL FAULT
The direct drive signal is not present or is out of range.
40
REMOTE SETPT
SIGNAL FAULT
The remote setpoint signal is not present or is out of range.
41
OUTDOOR TEMP
SENSOR FAULT
The temperature measured by the Outdoor Air Sensor is
out of range.
42
OUTLET TEMP
SENSOR FAULT
The temperature measured by the Outlet Sensor is out of
range.
43
FFWD TEMP
SENSOR FAULT
The temperature measured by the FFWD Sensor is out of
range.
44
HIGH WATER
TEMPERATURE
The temperature measured by the Outlet Sensor exceeded
the Temp Hi Limit setting.
45
LINE VOLTAGE
OUT OF PHASE
The High AC voltage is out of phase from the low AC
voltage.
46
STEPPER MOTOR
FAILURE
The stepper motor failed to move the valve to the desired
position.
47
SETPT LIMITING ACTIVE
Setpoint temperature has exceeded the maximum
allowable setting.
48
MODBUS COMM FAULT
The RS485 (Modbus) network information is not present or
is corrupted.
49
BOILER_RETRY_WAIT_
MESSAGE
50
BOILER_FAULT_PURGE_
MESSAGE,
51
BOILER_RETRY_PAUSE_
MESSAGE
52
EXHAUST_TEMP_SENSOR_
SHORT_MESSAGE
53
EXHAUST_TEMP_SENSOR_
OPEN_MESSAGE
54
EXHAUST_TEMP_HIGH_
WARNING_MESSAGE
55
EXHAUST_TEMP_HIGH_
FAULT_MESSAGE
56
INLET_TEMP_SENSOR_
SHORT_MESSAGE