Sunday, January 1, 2012

Error Monitor Lamps SANYO Multi System Air Conditioner CLM 1972/2472/3172


Trouble Diagnosis by Error Monitor Lamps
Remove the top plate of outdoor unit and the cover of Electrical Component Box.
The Power Lamp and Error Monitor Lamps are located on the P.C.Board of Electrical Component Box. (Fig.1)

Display of the Error Monitor Lamps
If a protective device has activated or there is a sensor failure in the outdoor unit, the 4 error monitor lamps on the
outdoor control circuit board will indicate the nature of the trouble.



Error Monitor Lamp
ERR0 = ON
ERR1 = OFF
ERR2 = OFF
ERR3 = ON
Error Contents = Sensor for compressor discharge temp

Error Monitor Lamp
ERR0 = OFF
ERR1 = ON
ERR2 = OFF
ERR3 = ON
Error Contents = Sensor for heat excharge temp

Error Monitor Lamp
ERR0 = ON
ERR1 = OFF
ERR2 = OFF
ERR3 = OFF
Error Contents = Sensor for branch pipe A (Narrow tube)

Error Monitor Lamp
ERR0 = OFF
ERR1 = ON
ERR2 = OFF
ERR3 = OFF
Error Contents = Sensor for branch pipe B (Narrow tube)

Error Monitor Lamp
ERR0 = ON
ERR1 = ON
ERR2 = OFF
ERR3 = OFF
Error Contents = Sensor for branch pipe C (Narrow tube)

Error Monitor Lamp
ERR0 = OFF
ERR1 = OFF
ERR2 = ON
ERR3 = OFF
Error Contents = Sensor for branch pipe D (Narrow tube)

Error Monitor Lamp
ERR0 = ON
ERR1 = ON
ERR2 = OFF
ERR3 = ON
Error Contents = Outdoor temp sensor

Error Monitor Lamp
ERR0 = ON
ERR1 = OFF
ERR2 = ON
ERR3 = OFF
Error Contents = Sensor for branch pipe A (Wide tube)

Error Monitor Lamp
ERR0 = OFF
ERR1 = ON
ERR2 = ON
ERR3 = OFF
Error Contents = Sensor for branch pipe B (Wide tube)

Error Monitor Lamp
ERR0 = ON
ERR1 = ON
ERR2 = ON
ERR3 = OFF
Error Contents = Sensor for branch pipe C (Wide tube)

Error Monitor Lamp
ERR0 = OFF
ERR1 = OFF
ERR2 = OFF
ERR3 = ON
Error Contents = Sensor for branch pipe D (Wide tube)

Error Monitor Lamp
ERR0 = OFF
ERR1 = OFF
ERR2 = ON
ERR3 = ON
Error Contents = HIC circuit trouble (current, temp)

Error Monitor Lamp
ERR0 = OFF
ERR1 = ON
ERR2 = ON
ERR3 = ON
Error Contents = Actuation of comp over load relay

Error Monitor Lamp
ERR0 = ON
ERR1 = OFF
ERR2 = ON
ERR3 = ON
Error Contents = Actuation of freeze protection function

Error Monitor Lamp
ERR0 = ON
ERR1 = ON
ERR2 = ON
ERR3 = ON
Error Contents = Outdoor unit error. Detail of error message indicate on indoor LED
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