McQuay PTAC Troubleshooting


Troubleshooting can present hazards of electricity, rotating parts, sharp edges and weight.

Troubleshooting must be done by trained, experienced technicians only. Improper troubleshooting can result in equipment damage, severe personal injury or death.

E01-E02-E03

E01-E02-E03

E01-E02-E03-E04-E05-E06-E07-E08-E09-E10-E11-E12-E13-E14-E15-E16-E17-E18-E19-E20-E21-E22-E23-E24-E25-E26-E27-E28-E29-E30-E31-E32-E33-E34-E35

E01-E02-E03-E04-E05-E06-E07-E08-E09-E10-E11-E12-E13-E14-E15-E16-E17-E18-E19-E20-E21-E22-E23-E24-E25-E26-E27-E28-E29-E30-E31-E32-E33-E34-E35

 

Trouble

Blinking diagnostic display on control pad
a. E1
b. E2
c. E3
d. E4
e. E9

Possible Causes

a. Defective room temperature sensor.

b. Defective indoor coil temperature sensor.

c. Defective outdoor coil temperature sensor.




d. High refrigerant temperature caused by dirty filters, coils or fan blades, bad fan motors, air blockage, short circuiting condensor air, outdoor louver with high pressure drop, capillary tube restriction:

e. Bad communication between control pad and main PC board. loose plug connection, defective control pad or PC board.

Possible Causes

a. Replace
b. Replace
c. Replace
d. Clean coils, fans or filters. Replace fan motor. Check baffles in sleeve extension. Check free area of louver. Replace capillary tube. To restart compressor, turn unit off then back on. Wait 3 minutes for random restart.
e. Check for loose connections. Replace control pad or PC board.

McQuay PTAC Troubleshooting 2

McQuay PTAC Troubleshooting 2

McQuay PTAC Troubleshooting 3

McQuay PTAC Troubleshooting 3

McQuay PTAC Troubleshooting

McQuay PTAC Troubleshooting

 






2 Responses to McQuay PTAC Troubleshooting

  1. anton supriatna says:

    Cara gunakan remote. Mcquay cari kode error

    • Mhd Sopian Sagala says:

      Kami ada masalah di AC sentral McQuay
      Timbul kode E0 pada display, AHU/AC tidak mau hidup, kami sudah coba restart tp tidak mau hidup jg, tetap timbul kode errorr E0.
      Mohon pencerahannya

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