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14
d. The thermocouple is either too high or too low to complete the circuit. Check to ensure that
the thermocouple is flush with the hold in the heat exchanger.
e. The gas sensor wire (looks like a black ground wire on the gas regulator) flange might have
come loose or is no longer connected.
f. There is a faulty heat sensor. This is usually diagnosed by taking the front case off of the
portable tankless water heater and let it run. If it continues to operate, then one of the sensors
and/or the wire harness needs to be replaced. This may also be caused by insufficient clearance
on the back of the portable tankless water heater where the majority of air intake is.
g. The valve on the propane tank should be all the way “Open”.
h. Fresh batteries are required for ignition spark. Make sure batteries are aligned in the proper
polarity (+/-).
The water does not get hot enough:
a. You are operating the portable tankless water heater above 6,000 feet / 2,000 meters. We only
recommend using it below elevations of 6,000 feet.
b. Look into the viewer panes (middle horizontal windows on the front cover) to see if there is a
blue flame. If the flame is yellow there could be a cracked gas regulator. Do Not Attempt to use
the portable tankless water heater.
Water is flowing, but there is no hot water coming out:
a. Ensure that you have the incoming water supply and the outgoing water supply hooked up
properly. Your water supply should be attached to your incoming connection (located on the far
right) and the shower head should be attached to the outgoing water (located as the middle
connection).
b. Ensure that you have adequate water pressure of at least 3.6 PSI / 0.25 bar, sustained.
c. Ensure that you have adequate gas in your propane bottle and that the LP regulator is thread-
ed all of the way on to the portable tankless water heater.
d. Fresh batteries are required for ignition spark. Make sure batteries are aligned in the proper
polarity (+/-).
The portable tankless water heater does nothing:
a. Ensure that you have your water source hooked up to the water inlet side (far right connec-
tion) and the shower handle is hooked up on the water outlet side (middle connection).
b. Ensure that you have an adequate supply of propane.
c. Ensure that you have fresh batteries.
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