Figure 2: sequence of operation – BASO BG1600M 2010 User Manual
Page 8
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8 BG1600M Intermittent Pilot Ignition Control with Rollout Switch Installation Instructions
No
Yes
Idle State
Call for heat
from the thermostat
If damper connected
wait for it to open
POWER TO CONTROL
One second for
diagnostic routines
If pre-purge wait
flashing LED once a
second until over
Turn on spark and
pilot gas valve
start trial timer
Spark on 4 seconds
blinking LED rapidly
spark off 1 second
Flame
on?
Flame
on?
Wait 0.5 second
Trial
over?
No
Turn on main
gas valve and LED
reset try count
Yes
No
Turn pilot gas
valve off
Yes
Retry
option?
Wait 5 or 60 minutes,
blink LED every 15 seconds
TRIAL
TIME
LOOP
TRIAL
TIME
OVER
RESTART
Note: If the thermostat opens,
the control will turn off valves
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 pilot and main
gas valves off
wait 0.7 second
inter-purge blinking
LED once a second
Yes
No
FLAME LOST
FLAME ON
LOOP
RELIGHT
Note: If the controller is flashing an error code, the control
will be in lockout. The controller will stay in lockout and continue
flashing a error code until power is cycled. If an error code repeats
then see Table 2 Troubleshooting Guide to determine
the problem.
Error Codes
No flame in trial time.
Flame sense stuck on.
Pilot relay driver fault.
Main relay driver fault.
Rollout error.
Processor errors.
Line Frequency/
Voltage error.
Yes
Lockout
Re-Ignition
RECYCLE
No
Yes
Turn main gas
valve off, start spark
and trial timer
RE-IGNITION
Tries over
LED Indicator
1 Blink
2 Blinks
3 Blinks
4 Blinks
5 Blinks
7 Blinks
Solid Red
Figure 2: Sequence of Operation