3-63.3.1 Automatic PTI Step No. and ContentsDuring PTI operation, Step No, contents, and select PTI (Short, Full, Chilled or Frozen) will be displayed.Step No. Contents Short PTI Full PTI Chilled PTI Frozen PTIP00 Controller data check ✓ ✓ ✓ ✓P02 Alarm check on all sensors ✓ ✓ ✓ ✓P03 PCC check / EFM check ✓ ✓ ✓ ✓P04 SS, RS accuracy check ✓ ✓ ✓ ✓P06 HPT, LPT accuracy check ✓ ✓ ✓ ✓P08 INV check ✓ ✓ ✓ ✓P10 ESV & EMV check ✓ ✓ ✓ ✓P12 LSV check ✓ ✓ ✓ ✓P14 HSV check ✓ ✓ ✓ ✓P16 RSV check ✓ ✓ ✓ ✓P18 DMV check ✓ ✓ ✓ ✓P20 HPS check ✓ ✓ ✓ ✓P22 Pump down check ✓ ✓ ✓ ✓P24 Valve leak check ✓ ✓ ✓ ✓P50 0 pull-down ✓ ✓ ✓P60 0 control maintenance ✓ ✓P70 Defrost test ✓ ✓ ✓P80 -18 pull-down ✓ ✓P90 -18 control maintenance ✓ ✓3.3.2 Automatic PTI AlarmAlarm code T is displayed for Automatic PTI.StepNo. Contents Alarmcode Conclusion Possible cause Check methodP00 ControllerdataNoalarm No conclusionP02Alarmcheck onall sensorsSame asnormaloperationSame as normaloperationSame as normaloperationSame as normaloperationP03EFMcheckT031 EFM operation current islarge at high and low speed. Faulty motor coil Check motor coilT032EFM operation currentis small at high and lowspeed. (Broken wire?)Faulty operation ofmagnetic contactorsEFM wiring faultCheck of magneticcontactors operationCheck wiringPCCcheckT033 Current is small. PCC failure (broken wire) Check PCC wiring andcontact points.T034 A current is present. PCC failure (welding) Check PCC wiring andcontact points.P04 RS, SScheck T041The temperature differenceof SS and DSS is large. SS Failure Compare the SS with theDSS on the control panel.The temperature differenceof RS and DRS is large. RS Failure Compare the RS with theDRS on the control panel.P06 HPT, LPTcheck T061The pressuredifference of HPTand LPT is large.HPT Failure Compare the high-pressure valuebetween HPT and manifold gauge.LPT Failure Compare the low-pressure valuebetween LPT and manifold gauge.https://daikin-p.ru