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lakeland
26-02-2012, 07:36 PM
Hi Guys. After some help with a Toshiba A/C System. Model No RAV-SM803 AT-E.
Runs fine in cooling mode. When switched to heating mode pressure rises to 248psi and compressor cuts out. Condenser fan continues to run compressor restarts runs to 248psi and cuts out again.

monkey spanners
26-02-2012, 07:56 PM
What are the filters like?

martinw58
26-02-2012, 08:47 PM
check air filter and coil

martinw58
26-02-2012, 08:49 PM
is the indoor fan running if nit check coil sensor

install monkey
27-02-2012, 12:14 AM
this will help
https://rapidshare.com/files/322020602/toshiba_technical_handbook.pdf;

lakeland
27-02-2012, 08:40 PM
Thanks for the replys. The filters are clean as is the coil. The evap fan doesnt cut in because coil temp is to cold.

martinw58
28-02-2012, 09:58 PM
sounds like a faulty hp switch i have service manual if you send me your email

AMAC
03-03-2012, 02:32 PM
Check your sensors... They should all be 10KOhms at 25C except for the compressor sensor which should be 50KOhms at 25C. Has it gone on fault...
Hit the check button and keep going up till it beeps...