
AERCO ProtoNode Gateway
User Manual
Page 124 of 126 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0080_0H
11/06/2014 Ph.: 800-526-0288 GF-129
Table F-2: BMM Fault Code Table (Cont.)
24
Fan speed out of
control: It doesn't
reach pre-purge
speed within 30
seconds.
60 second delay
and failure
remains until we
have a successful
Check fan wiring.
AUTOMATIC/
MANUAL
26
control: It doesn't
stop within 30
seconds after
Ignition is
inhibited.
Check fan wiring. AUTOMATIC
27
Air flow failure
during ignition.
timer. The failure
remains until we
have a successful
Check fan and wiring.
Check air proving switch and
wiring.
AUTOMATIC
28
Flue/Chimney
Obstruction
Ignition is
inhibited.
Check flue/chimney
29
Water inside the
combustion
chamber.
Ignition is
inhibited.
Check for water in the
exhaust manifold
30
Settings Corrupted
inhibited. Pump
runs for 5 min at
Re-program the settings.
Contact Factory
MANUAL - cycle the
power or send reset
message.
32
Line voltage too
low. (<96 VAC)
line voltage.
Check input voltage else try
another BMM.
AUTOMATIC
40
Low water flow
Burners turned
OFF.
Check water flow or check
switch.
AUTOMATIC
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