AERCO Modulex E8 Controller (and BCM) For Modulex EXT Boilers - Manual (Page 104)

E8 Controller and BCM for Modulex EXT
Installation, Operation & Maintenance Manual
CHAPTER 10: E8, BCM, AND BMM FAULT CODES
Page 104 of 108 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0093_0A
PRI: 06/24/2013 Phone: 800-526-0288 GF-136-C
10.2.3 BCM Fault Code Table
The table below lists the fault codes and troubleshooting tips associated with the BCM.
Table 10-3: BCM 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.
37 Crash
Ignition is
inhibited
Change the
BCM
MANUAL – push reset
switch to cycle power
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.
56
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.
57 No BMM detected.
Ignition is not
possible.
Check the BMM
eBus wiring.
MANUAL - push reset
switch or cycle power.
58 FlowSensor fault.
All burners
turned OFF.
Check flow
sensor or wiring. AUTOMATIC