Royal Appliance Air Furnace User Manual

Page 34

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29733 R2 06/01/2003

34

Table C-3: R7184 Troubleshooting

continued from previous page

Procedure Status

Corrective

Action

Burner starts.

Trouble in thermostat or limit circuit. Check
thermostat or limit wiring connections.

5. Jumper thermostat (T -T)

terminals on R7184


IMPORTANT
First remove one thermostat
lead wire.

Burner does not start.

· Disconnect the line voltage power and open

line switch.

· Check all wiring connections.
· Tighten any loose connections and recheck.
· If burner does not start, replace R7184

Condition: Burner starts then locks out on safety with indicator light flashing at 1 hz rate (½ second on,
½ second off)

Indicator light stops
flashing.

Go to Step 7.

6. Reset oil primary control

by pushing in and
releasing red reset
button.

Indicator light continues
to flash at 1 Hz rate.

Verify that the control is not in restricted mode.
(See notes at end of this table.). If not in restricted
mode, replace R7184

Ignition is off

Spark ignitor could be defective. Check for line
voltage at ignitor terminals. If line voltage is
present, replace R7484.

Ignition is on.

Go to Step 8.

7. Listen for spark after

burner turns on (after 2
second delay).

Ignition is on but no oil is
being sprayed into the
combustion chamber.

Wait for “Valve ON” delay to complete. Check oil
supply, and oil line valve. Check for filter blockage
or seized oil pump.

Indicator light is on until
the control locks out and
starts flashing during
lockout.

Replace R7184

8. Check indicator light after

flame is established, but
before oil primary control
locks out.

Indicator light stays off.

Go to step 9.

Continued on next page

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