AERCO ProtoNode Gateway Rev 3 (with external LEDs) - Manual (Page 122)

AERCO ProtoNode Gateway
User Manual
Page 122 of 126 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0080_0H
11/06/2014 Ph.: 800-526-0288 GF-129
Appendix F.2: BMM Fault Code Table
The table below lists the fault codes and troubleshooting tips associated with the BMM.
Table F-2: BMM Fault Code Table
Code Description Effect Correction Reset
1
High Limit (STB)
Thermostat
activated
All burners turned
OFF and Pump
ON at maximum
speed.
Check FlowSensor thermal
connection to boiler.
MANUAL - push
reset switch when
temperature goes
below limit.
2 Low Gas Pressure
All burners turned
OFF. Check gas pressure or gas
pressure switch.
AUTOMATIC -
when gas pressure
switch closes.
4
No flame detected
at burner start Burner control
lockout. Check flame rod or
combustion.
MANUAL - push
reset switch or
cycle power.
5
Flame loss during
run.
Ignition retry.
Check combustion and
wiring.
MANUAL - push
reset switch or
cycle power.
6
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.
10 Internal Failure Ignition is inhibited.
Contact Factory for new
BCM. MANUAL - cycle
the power.
11
Flame signal
detected before
ignition.
Ignition is inhibited.
Disconnect flame rod wire
from BMM. If problem goes
away change flame rod
and/or wire. If problem does
not go away change BMM.
MANUAL - push
reset switch or
cycle power.
12 FlowSensor fault.
All burners turned
OFF.
Check flow sensor or wiring. AUTOMATIC
13 Aux Sensor fault
The boiler will
operate from the
FlowSensor
without the
AuxSensor.
Check aux sensor or wiring. AUTOMATIC