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Thread: Need Help Fujitsu ASY12RSGCW
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31-01-2011, 08:27 AM #1
Need Help Fujitsu ASY12RSGCW
Dear All,
This wall mount unit is working fine on cooling but as soon when i try to turn on heating indoor unit fins stop moving, light stay on it like indoor unit is pause and outdoor unit runs like normal.
Is anyone know what could be the problem?
Many Thanks
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31-01-2011, 09:01 AM #2
Re: Need Help Fujitsu ASY12RSGCW
The indoor fins (fan) in heating mode only runs when the indoor coil is hot.
So faulty coil thermistor detecting the heat, or reversing valve operation in the outdoor (coil, valve, wiring) or system short of refrigerant.
If you're a tech that's easy things to check (is the indoor or piping cold? is there power at the reversing valve solenoid? what is the pressure in the pipings at the service valve? etc)
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31-01-2011, 11:09 AM #3
Re: Need Help Fujitsu ASY12RSGCW
Thanks Paul,
I will have a look again on coming weekend, I am not prof tech but I know lots of things in A/Cs.
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02-02-2011, 12:09 PM #4
Re: Need Help Fujitsu ASY12RSGCW
Does the system have a Pc Board with cold air prevention mode? Does this occur only at start up and it eventually come good or does it do this activity all the time?
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02-02-2011, 07:05 PM #5
Re: Need Help Fujitsu ASY12RSGCW
in heating mode the indoor fan will run only after a heated heat exchanger
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11-02-2011, 09:12 AM #6
Re: Need Help Fujitsu ASY12RSGCW
7258james: it work fine on cooling when i turn into heating mode green light stay on but fan dosent turn on.
luboboi: thanks for your info
paul_h: I still haven’t got chance to have a look again, Thanks
Thanks All
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