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Thread: Carrier Chiller 30XA1202 Alarm
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30-03-2010, 03:12 PM #1
Carrier Chiller 30XA1202 Alarm
dears,
i've an alarm in the panel of my Carrier Chiller model : 30XA1202 which reads ( electrical box interlock or electrical thermostat failure) and as a result the chiller does not start.
please advise what action to be done?
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30-03-2010, 07:02 PM #2
Re: Carrier Chiller 30XA1202 Alarm
Hi is there a number associated with this alarm ??
THE DEFINITION OF A SMART PERSON IS ONE WHOM LEARNS FROM HIS MISTAKES!!!
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30-03-2010, 09:16 PM #3
Re: Carrier Chiller 30XA1202 Alarm
Alarm 66 — Electrical Box Thermostat Failure/Reverseencountered, confirm machine configuration.
Rotation (P.28)
NOTE: Alarm 66 is not used or supported. If this condition is
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31-03-2010, 05:31 AM #4
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31-03-2010, 05:43 AM #5
Re: Carrier Chiller 30XA1202 Alarm
I don't know if it Helps but the manual I have say's this -
Control box poorly ventilatedor poor electrical connection
Good Luck Grizzly
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31-03-2010, 05:59 AM #6
Re: Carrier Chiller 30XA1202 Alarm
have you checked the phasing on the incoming power to see if it has changed from the original configuration?
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31-03-2010, 02:40 PM #7
Re: Carrier Chiller 30XA1202 Alarm
As in the last post, check your phases and also that another unit is not been fed from the same power supply causing a voltage imbalanced.
We had the same problem where on start-up; the customer was using a generator to give a temporary power supply to the chiller. In the building if the elevator motor turned on it would cause a slight drop in power and the chiller would trip on the same alarm.
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31-03-2010, 03:24 PM #8
Re: Carrier Chiller 30XA1202 Alarm
hello
had same problem recently and its the built in flow switch check flows
aww
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31-03-2010, 03:24 PM #9
Re: Carrier Chiller 30XA1202 Alarm
when the flow switch failure shows a lack of coolant flow
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01-04-2010, 07:01 AM #10
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19-04-2010, 07:16 PM #11
Re: Carrier Chiller 30XA1202 Alarm
this is a flow switch fault,check your water flow
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20-04-2010, 02:43 PM #12
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12-01-2011, 03:41 PM #13
Re: Carrier Chiller 30XA1202 Alarm
hi im raj i have problem 30gx267 chiller. power off the through control switch for maintanace.then 4days after i turn on control switch i getting alaram 31 and 19 scpm board not responding what is the reason any body help me?scpm board led red light blinking and green light not blinking
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12-01-2011, 07:13 PM #14
Re: Carrier Chiller 30XA1202 Alarm
07 30 Circuit A Reclaim Pumpdown
Pressure Transducer
Measured voltage is
0 vdc or SST > EWT and
EXV < 50% for 1 minute
None Automatic Configuration error
08 31 Circuit B Reclaim Pumpdown
Pressure Transducer
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12-01-2011, 07:14 PM #15
Re: Carrier Chiller 30XA1202 Alarm
21 19 Space Temperature
Thermistor
Temperature measured
by the controller is
outside of the range
of –40 F to 245 F
Alarm tripped Automatic Faulty Sensor, wiring
error, failed EMM
board
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