Aqua-Hot Hydronic Heating System Shop Manual 09/04
®
SECTION 7: TROUBLESHOOTING
Section 7.2,
continued
Section 7.2,
continued
I.
In order to determine if the I
gnition Elec-
trodes
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 adjust-
ment instructions.
If the
Ignition Electrodes
are both in good
condition and properly adjusted:
Continue troubleshooting.
Q7 : Is the Diesel-Burner’s
Flame Sensor
functioning properly?
I.
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:
The
Flame Sensor
must be
replaced; reference Section 8.4
for replacement instructions.
If the
Flame Sensor
is functioning
properly:
Continue troubleshooting.
Q8 : Is the Diesel-Burner’s
Fuel Pump
functioning properly?
I.
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:
The
Fuel Pump
must be replaced;
reference Section 8.8 for replace-
ment instructions.
If the
Fuel Pump
is functioning properly:
Reference “NOTE (7.2-D).”
NOTE (7.2-D):
If the
Aqua-Hot
still does not ignite
after performing all of the listed checks, contact
the Technical Support Department at
1-800-685-
4298
for additional assistance.
After turning the
“Diesel”
switch
ON
:
TS3: The Aqua-Hot’s
Diesel-Burner
ignites after
several starting attempts.
NOTES (7.3-A):
A.
It is ideal to have the Aqua-Hot’s
Fuel Filter
replaced yearly; reference Section 8.1. A
plugged
Fuel Filter
will not allow the
Diesel-
Burner
to operate properly. Also, before
proceeding to the following procedures, be
sure to check that the vehicle’ fuel tank has
a sufficient level of fuel
B.
In order to perform the following procedures,
it is necessary to detach the
Diesel-Burner
Head
from the
Aqua-Hot
. Be sure to refer-
ence Section 8.2 for detaching and reattach-
ing instructions.
Q1 : Is the Diesel-Burner’s Fuel Nozzle function-
ing properly?
I.
In order to determine if the
Fuel Nozzle
is
functioning properly, reference Section 8.6
and perform the Fuel Nozzle’s “Component
Test.”
A:
If the
Fuel Nozzle
is not functioning
properly:
The
Fuel Nozzle
must be
replaced; reference Section 8.6
for replacement instructions.
If the
Fuel Nozzle
is functioning properly:
Continue troubleshooting.
Section 7.3
Page 22
