He forgot his cell phone to, it’s just not in the picture. There might just be hope for his return! I was hoping he left his service monitor.Poor guy was in such a rush he forgot his alligator clip. Or maybe that's how it was wired?
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Motorola MTR2000 with Zetron HEAR Decoder Failure
- Thread starter BlueDevil
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Hey, he had to leave the scene of the crime!Poor guy was in such a rush he forgot his alligator clip. Or maybe that's how it was wired?
Think that's a UPS'ed outlet back there?
...what service monitor?
12dbsinad
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- Mar 15, 2010
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Nope, highly unlikely. Also highly unlikely it's properly grounded, no polyphaser, etc. Looks like a mess to me
Fortunately I do have a couple pictures of what the system looked like before he tore it completely apart. I wish I had taken more. I was trying to give the tech the benefit of the doubt and respect his space and working area.Poor guy was in such a rush he forgot his alligator clip. Or maybe that's how it was wired?
I will have to read up on the HEAR Decoder more. Thank you for the file. I do know that the LCD on the HEAR Decider showed “DECODER IDLE” when it was powered up. I am thinking I need to find how to switch it to monitor or disable the decoder all together. We don’t use any DTMF codes when calling the hospital. None of the hospitals in this area use DTMF codes to the best of my knowledge, and I have call lots of hospitals on the radio.
The system probably is not on a UPS as hospitals are required to have full building generator backup. To be JHACO compliant, there is required to be generator controlled outlets in every room of the building (including utility). Though it is smart to have battery backup, I have seen several setups that are not on BB but just powered through the generator outlet system.
That all being said, upon closer inspection of the provided picture, assuming the radio system was powered by the outlet in the picture, it is not "indicated" as a generator outlet. Last I knew, they had to be either a red outlet or red dots on the cover plate (I can't remember the size but big enough you should be able to see them in the pic).
That all being said, upon closer inspection of the provided picture, assuming the radio system was powered by the outlet in the picture, it is not "indicated" as a generator outlet. Last I knew, they had to be either a red outlet or red dots on the cover plate (I can't remember the size but big enough you should be able to see them in the pic).
That's what I was suspicious of, I didn't see either the red dot, the flag or the red outlet cover indicating such, so I was hoping to at least see a UPS outlet or indications that a UPS was involved.
Things are getting even more strange.
While the radio tech was trying to troubleshoot the MTR2000 on Friday last week, the machine suddenly stopped powering on. The tech could not figure out why and presumed it was due to its age. Thankfully, we had local access to another and identical MTR2000. That radio was confirmed to be powering on without any issues. It was then transplanted to the cabinet at the hospital. Upon setting it up at the hospital, the second MTR2000 would no longer power up. That is when the radio tech decided to take both radios back with him to his radio shop. Apparently he has done some additional troubleshooting at the radio shop and neither radio will power up.
What would cause this? I can’t really vouch for or confirm the accuracy of his work. I believe he checked fuses. He checked the 120v power cable.
While the radio tech was trying to troubleshoot the MTR2000 on Friday last week, the machine suddenly stopped powering on. The tech could not figure out why and presumed it was due to its age. Thankfully, we had local access to another and identical MTR2000. That radio was confirmed to be powering on without any issues. It was then transplanted to the cabinet at the hospital. Upon setting it up at the hospital, the second MTR2000 would no longer power up. That is when the radio tech decided to take both radios back with him to his radio shop. Apparently he has done some additional troubleshooting at the radio shop and neither radio will power up.
What would cause this? I can’t really vouch for or confirm the accuracy of his work. I believe he checked fuses. He checked the 120v power cable.
AC Power going bad? Seems to be the common thing for 2 radios in the same cabinet. Does he have a DMM? Does he know how to use it?
Oy vey, this is trouble with a capital T and that rhymes with P and that stands for ... ???
Oh I hope the right people at the hospital are following this.
He had a DMM with him. I am not sure if he know how to use it. Apparently his running theory is that both power supplies failing is a coincidence. He believes that once unplugged it gave the power supplies an opportunity to fail/not come back on. According to him, these power supplies are beyond their expected service life.
mmckenna
I ♥ Ø
MTR2000's are pretty old. But I've got a few that were bought just before they stopped selling them. They are still running fine and have been through some power outages.
This is kind of fishy.
Will be interesting to see what happens. I'll bet a cold beer that they'll suddenly decide you need to upgrade your repeater to the latest/greatest. I'd expect a call from Sales fairly soon.
Beyond their serviceable life? Hell, I've seen even lowly Astron linear supplies running for truly years, in both climate controlled rooms and mountaintop sites. There are the occasional flame outs, but man, power supply quality is really high these days. 'Gave the power supplies an opportunity to fail/not come back on' What, the little men inside them got tired and left for better environs?
I hope you're writing down notes about this whole debacle.
I’m thinking we need to try and power the radios via DC power, either batteries or external power supply. This should tell us a fair amount about the condition of the radios and power supplies. It looks like these radios will require 28V DC power. So I need to try and locate a 28V power supply or get a couple 12V batteries and wire them in series.
mmckenna
I ♥ Ø
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I've been running a bunch of those for 10+ years without any issues. You can probably use the internal batteries to hold the system up until the generator takes over. I prefer to remove the internal batteries and run external since it makes life easier to change them out.
That sounds like a good option. I’m not sure I will be able to find that locally today. I am hoping that I can test out the radio today using a couple batteries. I am not sure I could even find a 28V power supply anywhere locally today.
I should be able to use a couple smaller SLA Batteries in series to at least see if the unit will power on. I would not leave them in place to make the radio operational.
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