Fisher and Paykel GW503 Home › Forums › Public Support Forums › International Forums › Australasian Appliance Forum › Fisher and Paykel GW503 This topic has 1 reply, 2 voices, and was last updated 17 years, 10 months ago by boyo1. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts May 24, 2008 at 8:50 am #36933 boyo1Participant While reading posts in old forums about GW503 faults, comments were made about the machine “diagnostics”. How do you access the diagnostics to interperate the LEDs that are flashing. May 24, 2008 at 1:51 pm #252850 Penguin45Participant Re: Fisher and Paykel GW503 Click HERE. Penguin45. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In