Hi. I’m Chris Tavano for Tundra Restaurant
Supply. In this video we’re going to show you how to trouble shoot some comment set backs and
easy maintenance repair for your Rinnai Commercial Gas Rice Cooker. Some tools that you may need are a phillips
head screwdriver, an adjustable crescent wrench, needle nose pliers and optional, some pipe cleaner to clean out
your tubing. Often can be found in arts and crafts supply
stores. The first common set back to troubleshoot for your Rinnai Commercial Gas Rice Cooker is there’s no flame or the pilot light won’t
light itself. First thing to check is your quick disconnect
gas line all the way up to your Rinnai Gas Cooker. Remember that this valve needs to be parallel
or in line for it being turned on. Perpendicular is turned
off. The first thing to check. From there, if it’s still not lighting and your gas is being hooked up to the machine
itself, you’re most likely looking at a clogged pilot
orifice that we need to replace. We’ll do that next. The first thing you need to do is click your
ignition button a couple of times. You shouldn’t have to do this more than 3
times and you should see a small flame behind your
pilot housing right underneath here. If your rice cooker is getting gas but your
pilot light won’t stay lit, your problem is most likely build up in the
pilot orifice which supplies gas to the pilot itself. If your pilot lights, hold your ignition switch
down for about 30 seconds and once you release it, if the pilot goes
out, most likely your problem is the thermocouple. The thermocouple is the safety device that
ensures the pilot light is lit before the machine actually supplies
causing gas to the burners. If your thermocouple is bad, it will prevent
the pilot and the burners from staying lit. Once you identify good and correct has line
connection, the next thing to do is actually tackle and
repair and maintain your pilot orifice. Before you perform any kind of maintenance
or repairs to your equipment, be sure that it is always off and disconnected
from any gas line. Then from here, we see there’s 1 little screw
holing on the drip pan. We’re going to go ahead and unscrew that and
the drip pan slides right off. The pilot orifice is located right behind
this brass nut which is attached to this aluminum gas tube
which is very fragile. First, we’re going to take this clip on the
thermocouple and undo this, set that aside. Just bend your thermocouples out of the way. From here we’re going to see a screw and the
pilot assembly that we need to undo. You can go ahead and set that aside. From there, you can just bend this slightly
out of the way. When removing this brass nut to get access
o your pilot orifice, keep in mind and remember that this aluminum
has tubing is very fragile and we’re going to want to twist off the pilot
assembly while holding that brass nut still. This little brass tip right here is your pilot
orifice. Often times in this little tube, the pilot assembly can get clogged and that’s
where we need our pipe cleaner. Just take your pipe cleaner, stick it right down the tube and just kind
of scrub it out. This is a .25 pilot orifice. That number refers to the size of this little
pin prick whole on the back and this is not interchangeable with any other
orifice. Be sure you have the .25 orifice for your
pilot assembly. All right. Once we get our .25 pilot orifice
into our pilot assembly, just a matter of screwing this back on in
place to this aluminum coil. Again this aluminum coil is fragile so we
don’t want to actually twist the nut, just want to get the pilot assembly finger
tight, then make sure it’s nice and snuggles with
our wrench holding on to that nut. From there we can go ahead and place this
back down on our housing for our pilot assembly. An easy way to get this screw back in, you just go ahead and put the screw on the
housing itself and aim with that. And that’s how you replace your pilot orifice. And then be sure that we put our thermocouple
back into its place and the clip. Be sure when you’re using your clip, the hoop is for your finger to hold, to push
it back in place. The single sided end is for you to actually
brace the thermocouple in. If you recognize that you pilot light is igniting
but it won’t stay lit, what you’re looking at is your thermocouple
itself, needs replacing. Again remember, this little clip here was
for the thermocouple, take that out. We got a little screw down here that attaches
to the thermocouple to the gas valve and then from there, your going to have to try and get the plastic
clip with some needle nose pliers. This is probably the most tricky part just
because the tight area to get to. Take a look at the clip on this thermocouple. It just slides right into place and it clicks and once it clicks its locked itself into
place. To get it out, you’re always getting the needle
nose pliers right on these ends and just squeezing it
and pulling it right out. Your new thermocouple probably come pretty
straight. However, you’ll have to bend the coils as
need be. First thing first is you probably want to
get that plastic clip to secure in first, then from there we can bend everything else
around as need be and as necessary to get thermocouple
back into place. Again, getting that little screw on the thermocouple. It might be kind of hard to aim. You can go ahead and put it in the cable first
then just point it right down into the hole. And last but not least, our thermocouple clip. Again, the single sided non-looped end goes
in the back, the hoop goes over the couple and this clamps
right back into place. And that’s how you replace your thermocouple. I’m Chris Tavano for Tundra Restaurant Supply and that’s how you diagnose and perform some
common repairs to your Rinnai Commercial Gas Rice Cooker. Here’s to a better mise en place!