Watts Aerco Modulex EXT Series, User Manual, Page: 114 / 144

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invalid value has been
replaced by the standard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.