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Modulex EXT Commercial Series Boilers User Manual
CHAPTER 7: Troubleshooting
Page
114
of
144
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
OMM-0095_0H
09/15/2017
Phone: 800-526-0288
GF-139
TABLE 7-2: E8 Controller Fault Codes (Continued)
CODE
DESCRIPTION
EFFECT
CORRECTION
RESET
E 200
Communication Error HS1
Communications issue with BMM
0. Check all eBUS addresses
E 201
Communication Error HS1
Communications issue with BMM
1. Check all eBUS addresses
E 202
Communication Error HS1
Communications issue with BMM
2. Check all eBUS addresses
E 203
Communication Error HS1
Communications issue with BMM
3. Check all eBUS addresses
E 204
Communication Error HS1
Communications issue with BMM
4. Check all eBUS addresses
E 205
Communication Error HS1
Communications issue with BMM
5. Check all eBUS addresses
E 206
Communication Error HS1
Communications issue with BMM
6. Check all eBUS addresses
E 207
Communication Error HS1
Communications issue with BMM
7. Check all eBUS addresses
Internal Fault
E 81
E8: EEPROM fault. The
invalid value has been
replaced by the standard
value.