Space Ray LTS Series Two Stage - Manual (Page 50)

Form #43155040
May 2013
-49-
30 seconds af
ter
st
artup, does the low
fire amber monitoring light come on in the control cabinet?
Y
es
No
while the amber light is on, through the inspection window
, is
there a flame visible?
Y
es
No
Is the knob on the gas valve in the ON position? (It’
s shipped
from the factory at OFF position)
Y
es
No
Replace the low fire amber light.
Are the two lead wires of the low fire amber light securely hooked to the same terminals as blue wires from ignition module?
Does the low fire amber light st
ay on
until call for heat ends?
Y
es
No
Rep
air connection.
T
roubleshooting
continued on the next page.
Y
es
No
T
urn the knob to ON
position.
30 seconds af
ter
st
artup, check the
volt
age across valve
terminals on ignition module. Is it 24 vac?
Y
es
No
Is the fuse OK on ignition module?
No
Y
es
Replace the fuse. S
park stop
s when
burner is lit?
Y
es
No
Is the electrode tip directly in the flame?
Y
es
Replace the sp
ark
electrode. Is there continuity between electrode sensor and ground stud in the cabinet?
Replace the sp
ark
electrode.
T
roubleshooting
continued from the previous p
age.
Check the flame current at the ignition module. Is it over 1.5
m
A
with flame?
No
Y
es
Replace ignition module.
Rest
art
troubleshooting.
30 seconds af
ter
st
artup, does the high
fire amber monitoring light come on in the control cabinet?
No
Y
es
Is there 24 vac between terminals on the terminal block that are connected to HI and C of the gas valve?
Y
es
No
Replace the high fire amber light.
Are the two lead wires of the high fire amber light securely hooked to the same terminals as yellow and blue wires to gas valve?
Y
es
No
Rep
air connection.
Is there 24 vac between the terminal that is connected to HI of gas valve via a yellow wire and ground?
Y
es
No
Is there 24 vac between the terminal that is connected to C of gas valve via a blue wire and ground?
Y
es
No
Swap the two teriminals at V
AL
VE
of the ignition module.
Is there 24 vac between terminal HI of the round terminal block and ground in the junction box?
Y
es
No
Rest
art
troubleshooting.
Check the wire that connect
s between the
round terminal block and the one in the control cabinet. Replace if necessary
.
Check the thermost
at
high setting. Correct any fault.
Adjust the electrode tip into the flame.
No
No
Y
es
See sequence continued on the next page.
3
Is there 24 vac across 25V(GND) and 25V terminals on ignition module?
Rep
air the
connection. Is the red wire from ignition module 25V terminal connected to terminal L1 securely?
Rest
art
troubleshooting.
No
Y
es
Replace the ignition module.
Y
es
No
Is the white wire from ignition module 25V(GND) connected to terminal L2 securely?
Y
es
No
Rep
air the
connection.