AERCO Modbus Communications Manual - Manual (Page 96)

GF-114
MODBUS
Communication
Appendix A
OMM-0035_0C USER MANUAL Status Messages & Equations
Page 96 of 200 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph.: 800-526-0288 05/18/12
Table A-6: BMM (Burner Management Module) Fault Codes (Continued)
CODE DESCRIPTION EFFECT CORRECTION RESET
24
Fan speed out of
control: It doesn't
reach pre-purge
speed within 30
seconds.
Ignition retry
after 60
second delay
and failure
remains until
we have a
successful
burner
operation.
Check fan wiring. AUTOMATIC/MANUAL
26
Fan speed out of
control: It doesn't
stop within 30
seconds after
turned OFF.
Ignition is
inhibited.
Check fan wiring. AUTOMATIC
27
Air flow failure
during ignition.
Restart pre-
purge timer.
The failure
remains until
we have a
successful
burner
operation.
Check fan and wiring.
Check air proving switch
and wiring.
AUTOMATIC
30
Settings
Corrupted
Ignition is
inhibited.
Pump runs for
5 min at max
speed.
Re-program the settings.
Contact Factory
MANUAL - cycle the
power or send reset
message.
32
Line voltage too
low. (<96 VAC)
Wait for proper
line voltage.
(>102 VAC)
Check input voltage else
try another BMM.
AUTOMATIC
40
Low Water Flow.
Low water flow
switch activated.
Burners turned
OFF.
Check water flow or
check switch.
AUTOMATIC