Aqua-Hot 400 Series Service Manual page 78

Yes
1. Turn the Burner Switch to the Off position.
2. Check the "Hot Surface Igniter" for proper
operation by:
i. Turn the propane shut off valve to the off
position?
ii. Remove the Hot Surface Igniter.
iii. Turn the Burner Control Switch to the On
position
iv. Check to see if the Hot Surface Igniter
glows red.
NOTE: The Hot Surface Igniter should glow for ap-
proximately 10 seconds. If it only glows for 1-2 sec-
onds the Igniter is defective and will need to be re-
placed.
Is the Gas
Valve Clicking?
Yes
Is there a strong
propane odor at
the exhaust pipe?
Does the Hot Sur-
face Igniter glow for
approx. 10 seconds?
No
Disconnect the two wires going to the
1.
Hot Surface Igniter
Using a digital voltage meter check for
2.
12VDC power on the wires.
© Aqua-Hot® AHE-400-P01 Service Manual Rev.B June 2014
Section #: Title
Burner Troubleshooting
1. How much Propane is in the
Vehicle?
No
Is the Aqua Hot's propane shut
2.
off valve in the off position?
Is the main propane tank shut
3.
off valve in the off position?
Is the propane burner's gas
4.
nozzle clogged?
Remove the burner and
1.
verify the Refractory Insula-
Yes
tion is installed properly.
p.
78