snow_man
23-02-2011, 04:31 AM
Hi all ...I am having blockage problems with Hitachi Ras4hgv7e outdoor and Rpi 4hg7e indoor ...We have 5 systems that have been changed due to heavy blockage ,the systems have been running for up to about 5 years and are on 407c .We didn't install them .Anyone come across this before ? Thanks