McQuay M5LCX Especificaciones descargar pdf (Pagina 120)

119

M5LCX-2009

Troubleshooting

Compressor Stopped Troubleshooting Instructions

Keep the Main Power Supply ON

Open up the Outdoor Unit’s Top Panel or Service Panel

Notice the Yellow LED on the P.C.Board

DO NOT TOUCH ANY OF THE

WIRES INSIDE THE UNIT!

Count the number of blinks

indicated by the LED

Blink Fault Indication Corrective Action

1 OutdoorAmbient Sensor Error Check ambient sensor wire and connection

2 Outdoor Coil Sensor Error Check coil sensor wire and connection

Outdoor Discharge Sensor Error /

Compressor Overheat Indication

Check discharge sensor wire and connection / Not

enough refrigerant / Indoor overload / Outdoor fan not

functioning

4 DC Compressor Feedback Call local dealer

5 Communication Error Check Interconnection communication wire

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8 Over / UnderVoltage Check power supply

9 DC Compressor Start Failure Call local dealer

10 Cooling Overload Check whether outdoor unit is blocked or not

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12 IPM Protection Check IPM

13 EEPROM Read Error Change EEPROM

14 EEPROM Write Error Change EEPROM

17 Outdoor Suction Sensor Error Check suction sensor wire and connection

*If the problem persist, contact your local dealer straight away

(Applicable to Inverter System Only)

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McQuay M5LCX Especificaciones Pagina 120