Farhanz Posted June 13, 2021 Share Posted June 13, 2021 Underfloor heat inoperative Underfloor heat thermostat plug remove install. Underfloor heat switch replacement. Swtch toggle replace Corrosion treatment temp cont valve Thermostat replacement Temp cont valve replacement Replacement underfloor heat Wire No H230A20N repair Terminal 15 at TB42L retighten Thermostat replacement Temp cont valve replacement Shut off valve interlock relay replacement. Underfloor heat replacement hello guys, need an opinion to solve this recurring defect. Is there any other step should be done to solve this issue? Quote Link to comment Share on other sites More sharing options...
NATOPS1 Posted July 20, 2021 Share Posted July 20, 2021 A few questions to narrow the task: What model aircraft? Inop as in: (a) never turns ON stays cold (watch the pressurization system climb/descent gauge) (b) gets HOT then turns off (c) other manifestation? Quote Link to comment Share on other sites More sharing options...
munirabbasi Posted July 21, 2021 Share Posted July 21, 2021 On 6/13/2021 at 9:10 AM, Farhanz said: Underfloor heat inoperative Underfloor heat thermostat plug remove install. Underfloor heat switch replacement. Swtch toggle replace Corrosion treatment temp cont valve Thermostat replacement Temp cont valve replacement Replacement underfloor heat Wire No H230A20N repair Terminal 15 at TB42L retighten Thermostat replacement Temp cont valve replacement Shut off valve interlock relay replacement. Underfloor heat replacement hello guys, need an opinion to solve this recurring defect. Is there any other step should be done to solve this issue? EMER DEPRSS & floor heat S/O Valve interlock relay replaced Best Regards MUNIR Abbasi Quote Link to comment Share on other sites More sharing options...
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