Owner`s manual

Hydro-Hot Hydronic Heating System Shop Manual 07/03
R
Diesel-Burner
Control
Unit
Diesel-Burner
Head
Section 7: Troubleshooting
Ignition
Electrodes
Photo Disc
Flame Sensor
Fuel Pump
Fuel Solenoid
Fuel
Nozzle
Control
Unit
Ignition Coil
Section 7.3,
continue
d
Page 22
Q2: Is the Diesel-Burner's Flame Sensor func-
tioning properly?
In
order to determine if the Flame Sensor is
functioning
properly, reference Section 8.4
and perform the Flame Sensor's "Component
Test".
A: If the Flame Sensor is not functioning
properly:
Th
e Flame Sensor must be replaced,
reference Section 8.4 for replace-
ment
instructions.
If
the Flame Sensor is functioning properly:
Continue Troubleshooting.
Q3:
Are the Diesel-Burner's Ignition Electrodes
in good condition and properly adjusted?
In order to determine if the Ignition Electrodes
are
in good condition and properly adjusted,
reference Section 8.5.
A: If the Ignition Electrodes are in poor
condition
:
The Ignition Electrodes must be
replaced, reference Section 8.5 for
replacement
instructions.
If the Ignition Electrodes are not properly
adjusted:
Adjust the Ignition Electrodes,
reference
Section 8.5 for adjustment
instructions.
If
the Ignition Electrodes are both in good
condition
and properly adjusted:
Continue Troubleshooting.
Q4:
Is the Diesel-Burner's Fuel Pump function-
ing properly?
In
order to determine if the Fuel Pump is
functioning
properly, reference Section 8.8
and
perform the Fuel Pump's "Component
Test".
A: If the Fuel Pump is not functioning
properly:
Th
e Fuel Pump must be replaced,
reference Section 8.8 for replace-
ment instructions.
If
the Fuel Pump is functioning properly:
Section 7.3,
continue
d