AERCO Control System (ACS) - Manual (Page 98)

MC2: 04/23/13 Page 98 of 144
GF-131
AERCO Control System (ACS)
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 • Phone: 800-526-0288
Installation, Operation, and Maintenance Manual
OMM-0081_0D
Example:
A displayed number of “261” means the fault occurred on BMM #1, and after subtracting
256 from 261 (261 – 256 = 5), the actual Fault Code is 5, which, according to Table A-6
means “Flame Loss During Run”.
B.4 BCM (BOILER COMMUNICATION MODULE) FAULT CODES
Table B-5: BCM (Boiler Control Module) Fault Codes
CODE DESCRIPTION EFFECT CORRECTION RESET
17
Boiler Pipe is frozen.
FlowSensor temp. is
36°F or less.
Ignition is
inhibited. Pump
runs for 5 min at
max speed.
Carefully defrost
boiler
AUTOMATIC - when
FlowSensor is greater than
41°F.
18
Maximum Δ-
temperature
protection. Flow
temperature - Return
Temperature > Water
Δ-Temp Protection +
50°F
All burners
turned OFF and
Pump ON at
maximum speed.
Check the
system
installation.
AUTOMATIC - when Δ-
temperature < Water Δ-
Temp Protection.
19
High outlet
temperature.
FlowSensor
temperature > 203°F.
All burners
turned OFF and
Pump ON at
maximum speed.
Check Flow
Sensor or
system pump
AUTOMATIC - when
FlowSensor < 176°F.
38
Settings Corrupted Ignition is
inhibited. Pump
runs for 5 min at
max speed.
Re-program the
settings.
Contact Factory
MANUAL - push reset
switch or cycle power.
50
Internal Failure Ignition is
inhibited.
Contact Factory
for new BCM.
MANUAL - cycle the
power.
58
FlowSensor fault. All burners
turned OFF.
Check flow
sensor or wiring.
AUTOMATIC
97
Standby. No remote
control detected and
Request input is open.
Ignition is
inhibited.
Close Request
input for Manual
operation.
MANUAL - push reset
switch or cycle power.
98
No BMM detected. Ignition is not
possible.
Check the BMM
eBus wiring.
MANUAL - push reset
switch or cycle power.