Thermo Pride OME-72D36, Installation And Service Manual

Page: 43 / 55

All installations and services must be performed by qualified service personnel.
40
After fuel valve opens,
does the burner ignite?
Check the fuel supply.
Open all manual shutoff
valves serving the unit.
Purge any air in the
fuel line.
No No
Are the ignition electrodes
positioned correctly?
No
Reposition to
correct location.
Does the burner stay
lit past proof of flame
check?
Does the fan timer
energize the circulating
air blower after the 56
second time delay?
Check settings on fan
timer against those
on connection
diagram. Is blower
still inoperable
after time delay
with fan timer
set correctly?
Measure voltage
on the circulating
air blower terminals.
Is it 120 VAC?
Check wiring to
blower. If okay,
set fan selector
switch to manual.
If fan operates,
replace fan timer.
Yes
Yes
Yes
No
No
No
Does blower wheel
spin freely?
Replace blower
motor capacitor.
Yes
Yes
Replace motor
Yes
No
Yes
Yes
Yes
Yes No
Check for blower wheel
rubing against housing
or motor shaft spinning
freely. Adjust or replace
as necessary.
No
Is oil present in
the fuel line at the valve?
Check for blocked or severely
worn burner nozzle. Clean
or replace as required.
Is the oil tank full of fuel? Is the
fuel clean without contaminates?
Is the fuel filter dirty?
Add or replace fuel and fuel
filter. Also, check cad cell
for proper operation.
(PSC motor only)
Is blower motor
capacitor functioning
properly?