AERCO Control System (ACS)
APPENDIX B:
Status and Fault Messages
11/22/2017
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, New York 10913
Page 93 of 139
OMM-0081_0F
Phone: 800-526-0288
GF-131
TABLE B-2: C-More Status and Fault Messages
Code
Message
Description
16
PRG SWTCH OPEN
DURING PURGE
The Purge Position Limit switch on the Air/Fuel valve
opened during purge.
17
IGN SWTCH OPEN
DURING IGNITION
The Ignition Position Limit switch on the Air/Fuel valve
opened during ignition.
18
AIRFLOW FAULT
DURING IGN
The Blower Proof Switch opened during ignition.
19
AIRFLOW FAULT
DURING RUN
The Blower Proof Switch opened during run.
20
SSOV FAULT
DURING IGN
The SSOV switch closed or failed to open during ignition.
21
SSOV FAULT
DURING RUN
The SSOV switch closed for more than 15 seconds during
run.
22
FLAME LOSS
DURING IGN
The Flame signal was not seen during ignition or lost within
5 seconds after ignition.
23
FLAME LOSS
DURING RUN
The Flame signal was lost during run.
24
HIGH EXHAUST
TEMPERATURE
The High Exhaust Temperature Limit Switch is closed.
25
LOSS OF POWER
A power loss occurred. The time and date when power
was restored is displayed.
26
LOSS OF SENSOR
Not Currently Used
27
LOSS OF SIGNAL
Not Currently Used
28
HIGH O2 LEVEL
Not Currently Used
29
LOW O2 LEVEL
Not Currently Used
30
HIGH CO LEVEL
Not Currently Used
31
SSOV RELAY FAILURE
A failure has been detected in one of the
relays that control the
SSOV.
32
RESIDUAL
FLAME
The Flame signal was seen for more than 60 seconds
during standby.
33
HEAT DEMAND
FAILURE
The Heat Demand Relays on the Ignition board failed to
activate when commanded.
34
IGN SWTCH CLOSED
DURING PURGE
The Ignition Position Limit switch on the Air/Fuel valve
closed during purge.
35
PRG SWTCH CLOSED
DURING IGNITION
The Purge Position Limit switch on the Air/Fuel valve
closed during ignition.
36
SSOV SWITCH OPEN
The SSOV switch opened during standby.