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Troubleshooting Steps
13
Portable tankless water heater will not start- there are no audible clicks at startup:
a. The first thing to check is to ensure that the incoming water on the “right” side of the
portable tankless water heater. If the incoming and outgoing are reversed, the portable
tankless water heater will not work. The incoming is on the far right and the outgoing is in
the middle.
b. Check to make sure you have fresh batteries and they are installed in the correct position.
c. The top reason that the portable tankless water heater does not ignite is that there is not
enough water pressure. You need a minimum of 3.6 PSI, sustained. Municipal water should
supply enough water pressure.
ADJUSTMENT:
d. It is possible that some debris or epoxy might have entered the water inlet pipe. Check to
see if the filter screen on the water inlet is clear of debris. You can also reverse the hookup by
taking your water source and hooking it up to the water outlet side and back flushing the
system.
e. Propane gas cylinders sometimes are contaminated with air, especially new cylinders upon
their first filling. Cycle the portable tankless water heater turning off and on your output flow
or similar.
Should a portable tankless water heater fail to light or stat lit after 10 cycles, please contact
us via email at [email protected]
Portable tankless water heater starts, then shuts off:
a. The portable tankless water heater requires a minimum if about 0.44 gallons per minute
(1.5 liters ) and a minimum of about 3.6 PSI / 0.25 bar.
Note: Water pressure is at the lower end of operating parameters. You will need a sustained
water pressure of approximately 35-65 PSI / 2.4-4.5 bar for adequate use if you are using a
12/18/120 volt pump.
b. Out of, or low on gas. Propane gas sometimes are contaminated with air, especially new
tanks upon their first filling. Cycle the portable tankless water heater on and off by using the
shower head switch several times to purge the air from the gas. If this doesn’t clear the air
then the tank must be purged.
c. One of the ignition sensors is bent and/ or too close to the burner. Look to ensure that the
ignition pins and the heat sensor are completely vertical and they do a 90 degree to the back
of the box. If they are not straight (i.e. a 45 degree angle) then you can straighten them with
pliers.
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