Gas-Fired Products Infrared Radiant Tube Heater PTS Series - Manual (Page 45)

Form #43343330
–44– May 08
Remove blockage. Rest
art
troubleshooting. Cont
act factory for
assist
ance.
No
Ye
s
No
No
Ye
s
Does the amber light st
ay on p
ast 10
seconds?
No
Ye
s
Check the micro Amp
s at the FC-FC+
terminals of the module is it greater than
0.7µA
w
ith
flame.
Turn on the gas valve?
Does LED on the ignition module flash three times? Replace ignition module.
Check flame sense wire does it have continuity?
No
Ye
s
Check
vent
and
fresh
air lengths, are they within the maximum permissible?
Cont
act factory for
assist
ance.
Replace flame sense wire.
No
Ye
s
Check air plate st
amped p
art
numbers.
Are they
correct?
No
Ye
s
Check turbulator
, are
the
correct
number
of
lengths inst
alled?
Rep
air or replace
jumper check all wire terminals.
Change number of turbulators.
Adjust terminal connection. Rest
art
troubleshooting.
No
Ye
s
No
Ye
s
Remove burner casting and check the orifice. Is it clean and free from blockage?
No Ye
s
Check the pressure across the air switch during hot running is it higher than the minimum required?
Check gas pipe sizing,
regulators
and
system supply gas pressures.
Adjust manifold pressure. Rest
art
troubleshooting.
Troubleshoot Ends
No
Ye
s
Is
the
knob
on
the
gas
valve turned to the ON position?
No
Ye
s
Through the inspection window is there a flame visible during st
art up?
No
Ye
s
Is
the
heater
properly
grounded? Correct grounding problem.
No
Ye
s
Check
the
terminal
on
the flame sense electrode, is it tight?
No
Ye
s
Remove and inspect flame sense electrode. Is it clean and the ceramic int
act?
Rep
air or replace
flame sense electrode.
Ye
s
Check
the
gas
supply
pressure with all the heaters on. Does it st
ay above the
minimum required?
No
No
Ye
s
Check the air int
ake
and vent are there any blockages?
No
Ye
s
Is
the
heater
properly
grounded?
No
Ye
s
No
Ye
s
No
Ye
s
No
Ye
s
No
Ye
s
Remove
blower
is
the
wheel free from dirt and dust?
Replace air switch
No Ye
s
Remove blower does the
wheel
turn
freely?
Replace blower assembly
.
Replace air plate.
Cont
act factory for
assist
ance.
No
Ye
s
Does the amber light st
ay on until the
thermost
at turns of
f?
See next p
age for
troubleshooting sequence.
No
Ye
s
Replace ignition module.
No
Ye
s
Does LED on the ignition module flash once?
Ye
s
Does LED on the ignition module flash three times? Af
ter an initial step
opening is the manifold gas pressure correct?
Correct grounding problem. Remove blockage. Rest
art
troubleshooting.
Clean blower wheel. Rest
art
troubleshooting.
Cont
act factory for
assist
ance.
Check the micro Amp
s at the FC-FC+
terminals of the module is it greater than
0.7µA
with
flame.
Check
the
terminal
on
the flame sense electrode, is it tight?
Check flame sense wire does it have continuity? Replace flame sense wire.
Adjust terminal connection. Rest
art
troubleshooting.
Remove and inspect flame sense electrode. Is it clean and the ceramic int
act?
Rep
air or replace
flame sense electrode.
Cont
act factory for
assist
ance.