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

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