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R7184A,B,P,U INTERRUPTED ELECTRONIC OIL PRIMARY
7 69-1233—2
4. Shield cad cell from external light. Indicator light turns
off.
Eliminate external light source or permanently shield
cad cell.
Indicator light stays
on.
• Replace cad cell with new cad cell and recheck.
• If indicator light does not turn off, remove cad cell
leadwires from R7184 and recheck.
• If indicator light turns off, replace cad cell bracket
assembly. Refer to TRADELINE® Catalog for
bracket part numbers.
• If indicator light does not turn off, replace
controller.
5. On warm air systems, jumper
thermostat (T to T) terminals on R7184.
(On hydronic systems jumper Limit
terminal and L1 of R7184.)
IMPORTANT:
First remove one thermostat
lead.
Burner starts. Trouble in thermostat or limit circuit. Check
thermostat or limit wiring connections.
Burner does not start. • Disconnect 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 (1/2 second on, 1/2
second off)
.
1. Check that limit switches are closed
and contacts are clean.
––
2. Check for line voltage power at the
oil primary control. Voltage should be
120 Vac.
––
3. Check indicator light with burner off,
no call for heat (no flame).
Indicator light is on. Cad cell or controller is defective, sees external light
or connections are shorted. Go to step 4.
Indicator light is off. Go to step 5.
4. Shield cad cell from external light. Indicator light turns
off.
Eliminate external light source or permanently shield
cad cell.
Indicator light stays
on.
•
Replace cad cell with new cad cell and
recheck.
•
If indicator light does not turn off, remove cad
cell leadwires from R7184 and recheck.
•
If indicator light turns off, replace cad cell
bracket assembly. Refer to TRADELINE
®
catalog for bracket part numbers.
•
If indicator light does not turn off, replace
controller.
5. On warm air systems, jumper
thermostat (T to T) terminals on R7184.
(On hydronic systems, jumper Limit
terminal and L1 of R7184.)
IMPORTANT:
First remove one thermostat lead.
Burner starts. Trouble is in thermostat or limit circuit. Check
thermostat or limit wiring connections.
Burner does not start.
•
Disconnect 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 (1/2 second on, 1/2
second off)
6. Reset oil primary control by pushing
in and releasing red reset button.
Indicator light stops
flashing.
Go to step 7.
Indicator light
continues to flash at
1 Hz rate
a
.
Verify that control is not in restricted mode (see
footnote a). If not in restricted mode, replace R7184.
Table 5. Troubleshooting Information (Continued).
Procedure Status Corrective Actions