Question about Vintage Keeper chillR 900

2 Answers

Unit stopped operating. As on 3 prior occasions, I replaced the controller unit. This time, the unit operated briefly, then stopped, and I cannot get it started again. Have disconnected and reconnected controller several times with no result. Not a fuse problem. Not a power problem. The number 57 remains lighted on the controller, even after I set the temp to 60 (or any other number). Possible ancillary problem: lots of small black flecks from under the fan area, and also exhaust area. Any suggestions?

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  • bkochchico Aug 29, 2010

    OK, so I take the unit out of the wall and remove the cover so I can replace the sensor. I notice that in the containment (?) tray below the large black "tank" (the only word I know for this since I'm not knowlegeable about equipment of this type) there is a quantity of brown-colored, dry material...formerly some kind of liquid, it appears. Looks like it has been there for awhile. I don't see an obvious leak source, so I assume this is some sort of overflow, coolant maybe? At any rate, is this indicative of a bigger problem than just the controller/sensor issue previously discussed? The unit is almost 5 years old, if that makes any difference. And, the black flakes I mentioned in the first post...there is a quantity of those at the base of the back (inside) of the "radiator" or whatever it is called, that is in front of the fan that pushes the cold air into the wine room...looks like paint from the radiator, since there are areas between the radiator fins (?) which appear silver in color, while most of the radiator is black...So, am I out of coolant and that's why it won't work, or should I go ahead and replace the sensor and see if it works? Thanks.

  • bkochchico Sep 01, 2010

    I sent another comment directly to Silverdragon but don't see it posted here, so here is a summary: I pulled the unit out of the wall and removed the case to change out the sensor. When I opened the case, I discovered a large amount of dried brown and black material in the catch basin below the large tank in the unit. It flaked when scraped. Nothing damp in evidence and it looked like the material had been there awhile. Does this mean my tank is out of coolant or has experienced some other failure that has caused it to stop working. Also, the black flecks I referred to in my original post appear to be paint that has come from the radiators...does this mean anything regarding the units failure? Thanks for your advice.

  • bkochchico Sep 08, 2010

    Given the state of the bottom of the unit with all the dried, formerly liquid, material around, and rust and oxidation on other parts of the unit, this sounds like the best guess to find a solution. If this doesn't do it, a new unit will. Thanks!

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I'm not familiar with this syle of cooler, but I would suspect a relay or contactor ahead of the control board, and if the contacts on it are oxidized, the compressor won't start, or would start intermittently, at best. Look for that part, and try that first. If the compressor has a reset switch, check that, also. It's possible that the compressor is low and has triggered that switch by getting too hot.
Couldn't find any reports of this problem on the net, so can just take an uneducated guess.
Good luck, hope this helps, and thanks for using FixYa.

Posted on Sep 08, 2010

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This is a Sensor problem usually the thermostat or thermistor itself. Either that or some "Other" sensor is.has failed, and it is this, then, that stops the device from working.
Also I suggest you check you Power Supply. As if there is a fault here, nothing else can be alright.
Unfortunately you have NOT discovered the original fault, the same fault, is why three boards have faulted prior.
Check ALL Voltages. Check ALL Sensors.

Posted on Aug 28, 2010

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1 Answer

Chamberlain whisper drive residential door opener model LW3500 stops after perhaps 2 seconds, lights flash and door will not open or close


Page 36 owners manual.

35
Operation
Diagnostic Chart
Your garage door opener is programmed with
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l
Inspectsensor wiresfor a short(staple in wire),correctwiring
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l
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l
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l
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l
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Symptom:
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l
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asneeded.
l
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l
Ifmotor unitdoesnotactivate,disconnectdoor control wires
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Safetyreversing
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Sendingindicatorlight glows steadily,receiving
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l
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l
Verifydoor trackisfirmlysecured to wall and doesnotmove.
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Motorhas overheated; the motorunit does not
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l
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l
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761a6e4.jpg

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