21
Step
Possible Cause
Check-out procedure
Corrective action
No Heat
5 A
Riello burner
application
Check for 120 Volts on the
black wire, contact (COM)
on the Riello burner relay
kit.
Yes - Move to next step
No - Back to step # 4 or check for bad
connection
Check if oil primary control
is on reset
Yes - Press reset button
No - Move to the next step
Check for continuity
between the two wires
yellow and violet on the
Riello burner relay kit
Yes - Move to next step
No - Change the electronic fan control
Check for 120 Volts on the
contact (No) of the Riello
burner relay kit
Yes - Move to next step
No - Change the Riello burner relay kit
Check for 120 volts on the
orange wire coming to the
burner (L)
Yes - Failure on the burner
No - Change the electronic fan control
5 B
Beckett Burner
application
Check for 120 Volts on the
black wire terminal strip (mid
terminal)
Yes - Move to next step
No - Back to step # 4 or check bad
connection
Check if oil primary control
is on Reset
Yes - Press reset button
No - Move to the next step
Check for continuity
between the two wires black
and gray (TT) on primary
control
Yes - Move to next step
No - Change the electronic fan control
Check for 120 Volts coming
from the electronic fan
control to the primary control
(black wire)
Yes - Move to next step
No - Change the electronic board
Check for 120 Volts coming
from the primary control
(orange wire) to the
transformer, motor and the
electronic board
Yes - Failure on the burner
No - Change the primary control
6
Blower
.
Low speed
Check if the
constant low
speed switch is
ON
Check for 120 Volts at the
''CONT'' terminal on the
electronic fan control
Yes - Move to next step
No - Change the electronic fan control
Check for 120 Volts on both
side of the constant low
speed switch
Yes - Check ''LOW'' speed on the
blower motor
No - Change the switch
