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Trouble shooting 38
OUTDOOR UNIT Error Method:
Inverter Error (Only for Main Unit)
Detective Actuators:
Outdoor Unit Controller PCB circuit
Inverter PCB
Forecast of Cause : 1. Connection failure 2. Outside cause 3. Heat Sink failure 4. Filter PCB failure 5. Inverter PCB failure
Check Point 1-1 : Restart Operation
Does LED error indication reappear?
YES
Check Point 2 :
Check connection of Inverter PCB
p Check connection between Inverter PCB and Controller
PCB, and Inverter PCB and Filter PCB. (Make sure if
connector is loose or cable is cut open.)
OK
Check Point 3 : Check Heat Sink
p Is there anything obstructing heat radiation from Heat Sink?
p Check the installation of Heat Sink
(Loose screw, or rattling of Heat Sink)
OK
Check Point 4 : Check Filter PCB and Inverter PCB
Check Filter PCB or Inverter PCB as they may be defective. (PARTS INFORMATION 4)
Indicate or Display:
Outdoor Unit : LED1 Flash, LED5
Indoor Unit : Operation LED
ERROR CODE : E : 32
Detective details:
When an error is received from Inverter PCB.
NO
Check Point 1-2 :
Check outside cause (Voltage drop or noise, etc.)
Instant drop ----- Check if there is a large load electric apparatus
Momentary power failure ----- Check if there is a defective
Noise ----- Check if there is any equipment causing harmonic
06-48
2 Times Blink
Blink, Timer LED 3Time Blinks,
Swing LED 3Time Blinks,
in the same circuit.
contact or leak current in the
power supply circuit.
wave near electric line (Neon bulb or electric
equipment that may cause harmonic wave).
Check the complete insulation of grounding.
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