Space Ray PTS Series Single Stage - Manual (Page 46)

Form 43343330
Aug 2012
-45-
22.0)
TROUBLESHOOTING GUIDE
No
Y
es
Are the blue wires secure in the terminals and firmly on the ignition module terminals?
Move orange wire to NO terminal. Rest
art
troubleshooting.
Replace motor
.
Remove any obstructions. Repeat st
art up. If motor will
not run. replace motor
.
No
Y
es
Disconnect the power and check the blower wheel. Does it turn freely?
No
Y
es
During st
art up, is
there 120V between ground and the IND terminal on the module?
Clean out hoses and probes.
Switch hoses on the pressure t
ap
s.
Check NO terminal of the air switch connection. Replace red light.
No
Y
es
T
urn on line volt
age
and thermost
at. Does
the red monitoring light come on?
No
Y
es
Does the blower come on?
No
Y
es
Does the LED on the ignition module flash once?
No
Y
es
Is the black t
ap on the
air switch connected to the upper probe?
Check the probes and hoses to the air switch are they clear and unobstructed?
Replace air switch.
No
Y
es
Is 120V at the terminal block in the blower?
Check line volt
age at
thermost
at and line
volt
age circuit. Rep
air
fault.
No
Y
es
Is there 120V between ground and the L1 terminal on the module?
No
Y
es
Check terminals for continuity and rep
air
.
No
Y
es
Is the LED on the ignition module steady ON?
No
Y
es
Is there 24V between the inlet to the fuse carrier and the ground?
No
Y
es
Is there 24V on the other side of the fuse carrier?
No
Y
es
Is there 24V between both terminals of the TISS and ground?
No
Y
es
The
TISS has broken
continuity
. Check the
first tube and reflector is there a hole? Check
TISS wire for
a break if it is close to the terminal rep
air
.
Otherwise replace TISS wire.
Replace heat exchanger tube, reflector and
TISS.
No
Y
es
Is there 24V between both terminals of the thermost
at connection
and ground?
No
Y
es
Does the system have a 24V individual thermost
at?
No
Y
es
Is 120V at the terminal block in the blower?
Check that red wire is connected to
TH from
air switch terminal C. Rep
air connection.
Replace ignition modules.
Rep
air or replace
jumper check all wire terminals.
Rep
air or replace
thermost
at. Check
external wiring.
Replace ignition module.
Check terminals for continuity at transformer
. If they
are good, replace transformer
.
if fuse carrier is tight and the fuse has no continuity
, replace the
fuse.
No
Y
es
Is the blower on?
No
Y
es
Does the LED on the ignition module flash once?
No
Y
es
Is the orange wire from PSW connected to the NO terminal of the air switch?
No Y
es
Are air switch terminals jumpered? Remove jumper
, air
switch must be open circuit first for blower to operate. Air switch is stuck in the closed position. Replace air switch.
Move black light wire to NO terminal of the air switch. Rest
art the
troubleshooting.
No
Y
es
Does the amber light come on?
No
Y
es
Is the LED on the ignition module steady ON?
No
Y
es
Af
ter 15 seconds
post purge is there 24V between V1 and V2 ignition module terminals?
Replace ignition module.
Replace ignition module.
Rep
air connection.
Rest
art
troubleshooting.
No
Y
es
Are the black wires to the amber light securely on the gas valve terminals? Rep
air connection.
Rest
art
troubleshooting.
Replace amber light. Rest
art
troubleshooting.
T
roubleshooting
continued on the next p
age.