AERCO Modulex E8 Controls Guide - Manual (Page 107)

PR1: 11/30/12 Page 107 of 112
GF-115-C Modulex E8 Controller and BCM
Operations and Maintenance Manual
OMM-0084_0D
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526- 0288
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.
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.
58 FlowSensor fault.
All burners turned
OFF.
Check flow
sensor or
wiring.
AUTOMATIC
97
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.
98 No BMM detected.
Ignition is not
possible.
Check the
BMM eBus
wiring.
MANUAL - push reset
switch or cycle power.