BASO BGH2UNCNTRLHT-01 - Manual (Page 14)

14 BGH2UNCTRLHT-01 Universal Hot Surface Ignition Control Installation Instructions
Yes
No
No
Yes
Turn on power
and gas.
Close thermostat
contacts.
Module LED
did not light?
Module LED
blinks green?
24V between
24V and 24V(GND)
terminals?
Yes
No
Yes
No
Check transformer,
thermostat and wiring.
Repair or replace as needed.
Replace
module.
Yes
No
No
Yes
Replace
module.
Yes
Yes
No
No
Yes
No
Replace
module.
LED blinks
1, 3, or 5 quick red
flashes, then
pause?
Replace
module.
LED blinks
2 quick red
flashes, then
pause?
LED blinks
4 quick red
flashes, then
pause?
No
Check wiring to igniter.
Check igniter for short
or malfunction and
replace if necessary.
Check line
voltage.
Yes
Igniter didn’t turn
on during igniter
warmup mode?
120 VAC
between HSI (HOT)
and L2 (NEUT)
during igniter
warmup? Check wiring to igniter.
Check igniter and replace
if necessary.
Main burner
failed to light
during trial for
ignition?
LED blinks
3 quick red
flashes, then
pause?
Replace
module.
No
Replace
module.
24 VAC
between VALVE
and VALVE (GND)
terminals during trial
for ignition?
Yes
Gas at
main burner?
Adjust burner flame
size or position, adjust
igniter position, or
replace main burner.
Yes
Check shutoff valves are on.
Check wiring to main valve.
Check tubing is clear.
If all OK, replace main valve.
No
After burner
is lit, does valve
turn off and start
new cycle?
Main flame
in contact with
igniter?
Yes
No
Main burner
grounded to GND
(BURNER)?
Adjust main flame size
or igniter position.
No
No
Yes
Assure main burner
is properly grounded.
Remote
flame sense?
Check wiring to
REMOTE (SENSE) terminal.
If OK, replace module.
Replace
module.
Yes
No Yes
Control is
operating
normally.
Figure 5 : BGH Universal Series HSI (Hot Surface Ignition) Control Troubleshooting Flowchart