BASO BG1100M - Manual (Page 7)

BG1100M Direct Spark Ignition Control Installation Instructions 7
No
Yes
Idle State
Call for heat
from the thermostat
POWER TO CONTROL
One second for
diagnostic routines
If pre-purge wait
flashing red LED once a
0.5 second until over
Turn on spark and
gas valve
start trial timer
Spark on 4 seconds
blinking red LED rapidly
spark off 1 second
Flame
on?
Flame
on?
Wait 0.5 second
Trial
over?
No
Turn on red LED
Yes
No
Turn gas
valve off
Yes
Retry
option?
Wait 5 minutes, blink
red LED every 4 seconds
TRIAL
TIME
LOOP
TRIAL
TIME
OVER
RESTART
Note: If the thermostat opens,
the control will turn off valve
and returns to the idle state.
Wait 0.1 second
checking memory and
relay driver circuits
OK
Flame
on?
Yes
No
Flame off
0.7 second?
Turn gas valve off
wait 0.7 second or
inter-purge blinking
red LED once a 0.5 second
Yes
No
FLAME LOST, TURN
OFF VALVES AND
TRY TO RE-LIGHT
FLAME ON
LOOP
RE-LIGHT
Note:
Error Codes
Lock out on timeout or fault detected,
turn off valve relays and spark loop blinking
error code until power off.
No flame in trial time.
Flame sense stuck on.
Valve relay driver fault.
Processor errors. 1 Blink
2 Blinks
3 Blinks
5 to 9 Blinks
Yes
Lockout
No
Figure 3: Sequence of Operation