Aqua-Hot Hydronic Heating System Shop Manual 09/04
®
SECTION 7: TROUBLESHOOTING
Section 7.1,
continued
must be replaced; reference
Appendix A. Please contact the
Technical Support Department at
1-800-685-4298 for assistance.
If NO:
The
Electronic Controller
must be
replaced. Please contact the
Technical Support Department at
1-800-685-4298 for assistance.
NOTE (7.1-C):
If no problems were discovered up to
this point, the problem most likely lies within the
Diesel-Burner Head
. However, prior to troubleshoot-
ing the
Diesel-Burner Head
, please review the
“Operational Flow-Chart” in Section 5.2
, the
“Operational Sequence” in Section 5.3
, and the
“Function”
section for each of the Diesel-Burner
Components
; reference Sections 8.3 through 8.11.
This information may help determine at what point
the
Diesel-Burner
fails to operate.
Q4 : Is the Diesel-Burner’s Motor operating?
Quick Check:
Listen at the heater for the
Diesel-Burner’s
Motor
to operate or check
for output air at the heater’s exhaust pipe.
A:
If the
Motor
does not seem to be
operating:
Reference Section 8.3 and
perform the Motor’s “Component
Test.”
If the
Motor
is operating:
Continue troubleshooting.
Q5 : Is the
Diesel-Burner Controller
functioning
properly?
I.
In order to determine if the
Diesel-Burner
Controller
is functioning properly, reference
Section 8.11 and perform the Controller’s
“Component Test.”
A:
If the
Diesel-Burner Controller
is not
functioning properly:
The
Controller
must be replaced;
reference Section 8.11 for
replacement instructions.
If the
Controller
is functioning properly:
Reference “NOTE (7.1-D).”
Section 7.1,
continued
Ignition
Electrodes
Photo Disc
Flame Sensor
Fuel Pump
Fuel Solenoid
Fuel
Nozzle
Ignition Coil
Diesel-Burner
Head
Diesel-Burner
Controller
Diesel-Burner
Controller
Illustration 7.1-2
Page 19
