
E8 Controller and BCM for Modulex EXT
Installation, Operation & Maintenance Manual
CHAPTER 10: E8, BCM, AND BMM FAULT CODES
OMM-0093_0A AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 103 of 108
GF-136-C Ph.: 800-526-0288 PRI: 06/24/2013
10.2.2 BCM and BMM Fault Code Conversion Table
The table below shows how to interpret the displayed fault code, while Table 10-4, on the next
page, shows a description of the fault and troubleshooting tips associated with the BCM.
In order to derive the correct error code from that displayed in the E8 Controller display, use
Table 10-2 below to determine the working error code. To use the table, identify the displayed
number from the first column, identify the affected module from the second column, apply the
formula from the third column, and identify the Error Table to reference from the fourth column.
Table 10-2: BCM and BMM Fault Code Conversion
Observed Code
Code to Look Up in Table
Code = 0
N/A No Fault -
Code between 1 and 255
BMM #0 Fault Look up code 11-4
Code between 256 and 511
BMM #1 Fault
Subtract 256 from reading
10-4
Code between 512 and 767
BMM #2 Fault
Subtract 512 from reading
10-4
Code between 768 and 1023
BMM #3 Fault
Subtract 768 from reading
10-4
Code between 1024 and 1279
BMM #4 Fault
Subtract 1024 from reading
10-4
Code between 1280 and 1535
BMM #5 Fault
Subtract 1280 from reading
10-4
Code between 1536 and 1791
BMM #6 Fault
Subtract 1536 from reading
10-4
Code between 1792 and 2047
BMM #7 Fault
Subtract 1792 from reading
10-4
Code between 2048 and 65279
N/A Invalid Codes -
Code above 65280
BCM Fault
Subtract 65280 from reading
10-4
Example:
Based on the above, a code reading of “261” means the fault occurred on BMM
#1. The fault code is (261 – 256 = ) 5. An Error Code of 5 from the BMM Fault
Codes table means “Flame Loss During Run”.
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