This was a interesting video where you get to see my diagnosis change as I progress thru the service call, you hear the inner ramblings of my brain.
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The newer crushed ice machine of this brand I have dealt with. 2022 model 3 beeps means its over heating. This was a liquid glycol cooling ice machine. I would have to go in the ceiling and switch it to emergency operation. Which was running city water through it non stop down the drain!!
If doing the evap. While open. Replace the harvest solenoid valve.
I have had a hand full fail open and give me long freeze, 20 years maybe 5 total. Making hot water and humidity.
They need a new machine, don't replace the evap. The compressor and everything else in that machine is old, it's just wore out. If I can get 10 years out of a Hoshizaki without any major repairs then at any point after that if it needs something major, like a compressor or evap, just replace it. Not worth it to the customer to dump a whole bunch of money into a machine and only get a couple more years out of it. The bad part is, Hoshizaki availability of new machines is terrible, but so are replacement evaporators. The thing is, it's the evap's that's the major bottleneck in getting new machines out the door at Hoshi, so I see their point of view in that, why should they sell replacement evaps when they need all they can get to get new machines out the door? Last time I talked to my Hoshizaki rep last summer, they had customers waiting 8 MONTHS for a new machine. It's getting better maybe, but it's still terrible. Another really bad thing about Hoshi is they're sending out plain copper evaps, and you have to change a bunch of DIP switch settings to work right with the non-coated bare copper evaps, and they're absolutely trash. Lower ice production, higher energy costs, and they turn green and start leaking gas thru tiny pinholes in no time.
When I hear the freeze timer beep I start with the evaporator on these Hoshizakis. I have replaced several evaps under warranty but most people would rather replace the unit depending on the size. I wish Hoshizaki would fix this issue. Service area Nepean??
🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥
Is that mold spots tube in middle or bugs
When did you switch to Apple products?
Love your videos and I hope to be an HVAC technician one day Are you in Kanata ?
Enjoyed the video thanks are y p u going to film the replacement of those evp coil
Magníficos y onestos pensamientos Chris reflejan tú sencillez además de tus conocimientos sobre los equipos, esto en conjunto reflejan buenos trabajos.
Gracias por compartir.
Saludos desde Coacalco Edo de México.
It Looks Like it hasn't Been Cleaned for A while looking at them hoses I Work In maintenance and I Change the Water Filters regularly and We Clean our Machines Regularly.
Great job Chris had evp issue before also good ice machine for the most part.
That one tube is moldy as fuck
hard to be certain from the video, but I believe the headmaster valve on that system operates based on ambient temp (OROA), not on system pressures like a ORO or ORI valve. Thats what the small tube on the head of the valve would indicate. Love your vids, keep em up !!
That first batch of new ice must taste yummy! Service area Ottawa??
So why are the plates separated? Age? Lack of maintenance? Weak design?
That, my friend, was a good diagnosis…..thank you for sharing…..Augusta, Ga.!
Hey boss try to get some video glasses for you work to make it easier for you to work and record videos
Im sure you know, but companies will share your videos as company training instead of teaching techs themselves 😂
Never eat ice lol or soda machine
All the black mold made me hungry
When I had a hoshi at home with massive plate separation I just made acrylic wedges to press the plates to the evaporator coils. The poor machine was nearly a solid block of ice when I bought it cheap. Worked great until I gave it away and it made perfect ice with normal cycles. The previous owner told me they just had the compressor replaced on it – likely would have been avoided if the last technician looked at the evaporator. Would be nice if hoshi changed their design to avoid this. I loved the ice it made but it wasted too much water to have it on a well.
I appreciate all your videos, Chris. They have been an invaluable source of knowledge and despite the nasty work schedule, they are what encouraged me to get into commercial refrigeration.
Wouldn't you just replace the whole unit? Thats what my boss says. Especially on older units
we had an issue with the same model and found the temperature probe was the culprate not reading proper temps and the ice getting too thick and the flaps preventing ice from dropping cuz the weight of the ice pushing down put the flaps in behind that lip and not letting the ice fully drop into the ben.
615 Thumbs uP
Great video Chris. In your mind, is it worth it to replace the evap? I’ve never replaced one nor quoted one. Seems to me like putting lipstick on a pig. Are you in Barrhaven ?
I always enjoy to watch you! Great job!
And what those plates 6 months out from factory
That plastic tube in the middle has mold in it.?
Chris evaporator separation is generally not a problem on these machines especially happening to all the plates. I Suspect the cleaning valve is leaking when closed or the micro switch that prevents ice machine operation when open is not working and someone ran the machine with the valve open. This would allow water to enter between the plates freeze and blow the plates off the tubing.
As soon as it warms up,and the bin is full,it will be questioned a 5k repair.
Plate separation and water dripping on the ice. Could it be that some frost is pushing the plate up causing only freezing around the evaporator instead of where it should be? Which then causes partially melted ice to drip down on the harvest as the heat hits the ice directly, partially melting it and causing soggy ice to hit the bin? Explains the long freeze too if where the sensor is, was not attached to the plate and thus couldn't produce ice.
great find, cant wait for PART2 Are you in Nepean ?
I literally just had to do that exact repair. Plates on the left AND right bank of the evap were separated. Repair is easy but time consuming. Awesome video as always, Chris!
We just going to skim over the neurodivergent? Lol my wife has been learning a lot about it lately with her counselor, when it comes to her and our kids. It’s been very helpful to figure things out.
On a side note, Thanks for all of your videos, especially the ice machine vids. I’ve been diving into those pretty heavy since we went to the level 3 manitowoc training Are you in Ottawa ?
Awesome vids learned alot
Great job.. handling it
Is that mold in that clear waterline going to that pump?
That machine is nasty geesh
Great Video. Thank you for sharing. Have a nice weekend
I so enjoy your videos… (Encouragement…) I learn so very much and without fluff, you do an excellent job in your videos. You have come a long way as I went back to some of your first ones, LOL… You display good workmanship and tradecraft which is rare these days. I am not a tech, but rather a person that is interested in everything (I call myself jokingly "a polymath in training"). I have used things you have shown on my own equipment (residential). I used some Viper to clean both my expansion and condensing coils. I was surprised how dirty they were. I do know my limits, but I so love to learn. Best to you and more blatant encouragement. Kindest Regards, Marshall Service area Kanata??
I've seen a lot of hoshizaki evaporator failures recently.
Disappointing Service area Orleans??
Maybe it's me but, that ice machine looks disgusting and dirty!!
I don't work in the HVAC industry, I don't even have any choice over the AC in my apartment (VRF system), I don't even live in the US – yet somehow, I always look forward to these videos, and watch them from start to finish, every time. Maybe it's just the process I enjoy, or maybe just appreciate everything you do for the HVAC industry. Keep up the good work, Chris! Even I have been learning things about both HVAC among many other life skills from your videos!
Seeing you using an iPhone and iPad is so weird lol
Do you ship to the UK
I don’t miss diagnosing these machines… Hoshizaki machines are pretty good, but their cycles are so long in comparison, you gotta plan to stick around a couple extra hours compared to others. At least in my experience. And with that, if you notice the water distribution tube off the discharge of the pump, the mold forming, and the crud on the plastic, it’s amazing I still order ice at these restaurants 🤣 They never have a solid cleaning schedule on these things… You have to “sell” them when you find it super dirty, and I’ve literally had customers tell me not to worry about it 🤮
You can usually see separation in my digital probes monitoring the head pressure or the sat temp particularly the line will get squirrely showing the waves of temperature change across the evaporator because the heat exchange is variable
Great job 'Chris! Service area Barrhaven??
What are you currently suspecting is the cause of the water ingress in the bin?
Eeeewwwww, I sure hope that is a drain hose with all the mold build-up in it. If not, that restaurant is getting their customers sick with the contaminated ice coming from that machine.
I guess one never knows what they are getting when it comes to restaurants today.
I guess for me its "No ice please" with my drinks. 🤢
Great video