
AERCO ProtoNode Gateway
User Manual
OMM-0080_0H AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 125 of 126
GF-129 Ph.: 800-526-0288 11/06/2014
Appendix F.3: BCM Fault Code Table
The table below lists the fault codes and troubleshooting tips associated with the BCM.
Table F-3: BCM Fault Code Table
17
Boiler Pipe is frozen.
FlowSensor temp. is
36°F or less.
inhibited. Pump
runs for 5 min
Carefully defrost boiler
AUTOMATIC - when
FlowSensor is greater
than 41°F.
18
temperature
protection. Flow
temperature - Return
Temperature > Water
Δ-Temp Protection +
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.
turned OFF
and Pump ON
at maximum
Check Flow Sensor or
system pump
AUTOMATIC - when
FlowSensor < 176°F.
37
Crash
Ignition is
inhibited
Change the BCM
reset switch to cycle
38
Settings Corrupted
inhibited. Pump
runs for 5 min
Re-program the settings.
Contact Factory
MANUAL - push reset
switch or cycle
power.
50
Internal Failure
Contact Factory for new
BCM.
MANUAL - cycle the
power.
56
control detected and
Ignition is
inhibited.
Close Request input for
Manual operation.
switch or cycle
57
No BMM detected.
Ignition is not
possible.
Check the BMM eBus
wiring.
switch or cycle
58
FlowSensor fault.
Check flow sensor or
wiring.
AUTOMATIC
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