My Carrier window ac shows 5A. What does it means? How to rectify this.

AC FR means Four- bed room with ac.
https://www.tripadvisor.in/FAQ_Answers-g503703-d666589-t4377077-NON_AC_DR_S_NON_AC_DR_B_AC_FR_NON_AC.html

https://www.facebook.com/2096661483894455/posts/carrier-window-type-error-code-fr-cleaned-and-re-tight-harness-ok-at-quiling-sur/2612752002285398/

Error Code Definition: (Unit Size 36K - 42K) = IPM over temperature protection. Carrier AC Indoor Unit Displays Error Code: P9. Error Code Definition: (Unit Size 18K - 24K - 30K) = NA. Error Code Definition: (Unit Size 36K - 42K) = Open Contactor.
https://removeandreplace.com/2017/08/11/carrier-split-system-air-conditioner-error-codes-and-troubleshooting/

https://www.youtube.com/watch?v=M-fLGOYL84Y

EC means there is a freon leakage detected. Get it serviced by an AC service person.

Its not 5A but SA means energy saver mode.use remote to change to cool mode without energy saver.

Its probably not 5A but SA. And SA means sleep auto it activates on pressing the energy saving button on remote. Its not an error but a feature.

This shows that .You have some problem in compress process

Here is an Article that I found that has some useful information for you. http://airmaster.net/troubleshooting/carrier-window-room-air-conditioner-troubleshooting CF means Cooling Fail.

Check us out online at AC Services Boca Raton

freon

Here's what mine says- for a 95 Chysler LeBaron GTC Convertible. I didn't see anything about a fuel pump, but maybe it's connected to something else? I dunno. Good luck. Here's the info at least.
1 HTR-AC 30A, 2 POWER WINDOWS 30A C/B, 3 PWR SEAT, LKS, TOP 30 A C/B, 4-BLANK, 5 BACK-UP LAMPS 20A, 6 TURN SIGNAL 20A, 7 REAR WIPER 20A, 8 ILLUM LAMPS 5A, 9 INTERIOR LAMPS 10A, 11 CIGAR LIGHTER 20A, 12 RS AMO 20A, 13 INTERIOR LAMPS 10A. 14 BOD COMP MESS CTR 5A, 15 SPEED CONTROL 2A, 16 GAUGES AIRBAGS 5A, 17 STOP LAMPS 18 HEAD LAMP RT-LOW 10A, 19 HEATED MIRRORS 5A, 20 AIRBAGS 5A, 21 STOP LAMOS 20A, 22 HORN 20A, 23 RT-TAIL LAMP-EUR 5A, 24 LT-TAIL LAMP EUR 5A, 25 HEAD LAMP LT-HI 10A, 26 HEAD LAMP RT-HI 10A, 27 RADIO 104, 28 FRONT WIPER 20A