Train carriage 2537 Feels like aircon no ~~~~~ Snap: 2537 feels like aircon not working at all. CE: 2537 A/C 1-2 coolant pressure fault unresettable, temp 26.3.  2537 A/c 1-2 FC 519(HLPS) & A/c 1-1 FC 518(HLPS). Found A/c 1-1 LP = 15psi, HP = 20psi. A/c 1-2 LP = 5psi, HP = 15psi. Both A/c units below criteria. Vacuum & able to hold 30psi/15min. Charged in 7kg freon for A/c 1-1, 6.8kg for A/c 1-2. A/c 1-1 LP = 40psi HP = 125psi. Comp Amp 9.8A. Fan motor 1.1A. Motor resistance U/V/W 1.80 ohm. Fan 29.3 ohm. A/c 1-2 LP = 35psi HP = 120psi. Comp Amp 9.7A. Fan motor 1.2A. Motor resistance U/V/W 1.6 ohm. Fan 30.2 ohm. Saloon temp 24 - 25*C. Cut-in/out - OK. Monitor for 1 hr, no fault recurred. OPS 20 raised to check evaporator unit for leak.  Sarma/Kamarul/Huzzaidi/Haziq 45088 2537 1-1 & 1-2 Evaporator leak check