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Thread: trane rtab211
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06-09-2012, 02:10 PM #1
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trane rtab211
displays chiller mod to option mod comm failure
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06-09-2012, 05:00 PM #2
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Re: trane rtab211
Failure 412.
CPM (1U1) has lost its connection to CSR (1U2).
I have sent some info that may help.
Grizzly
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06-09-2012, 06:47 PM #3
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Re: trane rtab211
thanks grizzly, a bit of reading to do before i go back to furthur diagnose- i had 110v on each fused input on modules but i was a bit busy swapping condenser fans on a quoted job, so will pop back next week
cant give u any rep points for that as i need to spread them out
Originally Posted by Grizzly
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07-09-2012, 06:22 AM #4
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Re: trane rtab211
Hi grizzly, Originally Posted by Grizzly
I have seen the same alarm from last two year on the display of one of my RTAA chiller. With this alarm chiller is working normally.
Moideen-Dubai
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07-09-2012, 11:38 AM #5
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Disable external lockout on settings that alarm will dissapear
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07-09-2012, 11:39 AM #6
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That's if you are not using external controls BMS
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07-09-2012, 05:26 PM #7
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Re: trane rtab211
hi moideen unfortunatly as soon as you reset the alarm,history then it flags up and disables circuit A
Originally Posted by moideen
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07-09-2012, 06:25 PM #8
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Re: trane rtab211
hi install, you mean disable or enable.rtaa circuit A&B are working without tripping. Originally Posted by install monkey
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07-09-2012, 06:47 PM #9
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Re: trane rtab211
with circuit a and b enabled to run on the tracer, if the demand is there then when it asks for circuit a to run then the fault message occurs, when i go into custom report i get the option to reset fault history on circuit a then circuit b then an option to do a reset of the chiller, after completing all 3 resets it still wont allow circuit a to run, circuit b starts up and runs ok, nothing has been touched on the chiller, all cabling between modules appear ok, all fuses on pcs ok, 110v on each,ok
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20-09-2012, 08:39 PM #10
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Re: trane rtab211
update on system- after visiting site to bash filters, decoy - to check that chiller armed with info off grizzly(ta) bloody thing all working , no alarms , so possibly external component causing grounding that has since dried out.
did check the signing in book to see if anyone has visited and i was the last visitor. back on site in january so will moniter
