L.B. White Commander Owner's Manual And Instructions page 26

26
Commander Ductable Make-Up Air Heater
Turn on power and gas. Close
thermostat contacts.
Ignition Module
LED light?
Yes
Ignition Module LED
Yes
solid green?
Delay up to 30 sec
for false flame test
No
Ignition Module LED
No
blinks green?
Yes
Sparking during
trial for ignition?
Yes
Pilot/
Main burner light
No
properly during trial
for ignition?
Yes
After burner
is lit, does valve
turn off and start
new cycle?
No
LED blinks
4 quick red flashes
then pause?
Adjust flame size or electrode/
No
C C o o n n t t r r o o l l i i s s
o o p p e e r r a a t t i i n n g g
n n o o r r m m a a l l l l y y . .
Owner's Manual •
Commander Ductable Make-Up Air Heater
24/120Vac
between 24V/120V(LINE) and
No
GND(24V)/120V(NEUT) terminals
respectively?
Yes
Replace
Ignition Module
LED blinks
2, 3,or 7 quick red
No
flashes, then
pause?
Yes
Replace
Ignition Module
No
Check wiring to spark electrode. Check
spark gap for proper gap. Replace module
if necessary.
LED blinks
3 quick red
flashes, then
pause?
Yes
GND(PV) or MV and
GND(MV) terminals
Replace
Ignition Module
Yes
Flame
in contact with
spark electrode
Yes
or sense
probe?
No
Yes
probe position
No
Check transformer,
thermostat, and wiring. Repair
or replace as needed.
LED blinks
5 quick red
flashes, then
pause?
Yes
Check wiring to rollout switch.
Check rollout switch for
malfunction. Replace if
necessary.
Check wiring to APS switch.
Check APS switch for
malfunction. Replace if
No
Power
between PV and
Yes
during trial for
ignition?
Adjust burner flame size or position,
No
adjust spark electrode or flame
Replace
sense probe position, or replace
Ignition Module
Burner
grounded to GND
Yes
(BURNER)?
No
Assure burner is Check wiring to SENSE terminal
properly grounded.
No
LED blinks
6 quick red
No
flashes, then
pause?
Ignition Module LED
solid red?
Yes
Yes
Ignition Module
necessary.
Check
Line
Voltage
Gas at Pilot/
No
Main burner?
Check shutoff valves
are on. Check wiring
to pilot/main valve.
Check tubing is
Yes
clear. If all OK,
replace main valve.
main burner.
Remote
No
flame sense?
Yes
Ignition Module
If OK, replace ignition module
No
Replace
Replace