Sanyo CG1411 User Manual download pdf (Page 60)

12-3-5. Indoor Fan is Defective

➀ Check if the indoor fan is locked up.

Turn fan gently by hand.

➁ Check if motor circuit is defective.

Set temperature by remote controller so that air conditioner operates under Thermo. OFF in either cooling or

heating operation, then start operation.

Check if it operates without the operation lamp blinking for more than 3 minutes.

When fan does not turn easily ➞ Replace fan motor

No abnormalities, proceed to check

➁

In case of abnormality (operation lump starts blinking after about 1 minute) ➞ Proceed to check ➂.

No abnormalities, proceed to check

➂

➂ Check indoor unit PCB.

Measure voltage between 1 – 2 of 3P connector (Hole IC) on indoor unit PCB.

Caution: Care should be taken that the tips of the tester rods do not touch each other since the circuit is

electrically charged.

➃ Disconnect FAN 5P connector on indoor unit PCB and measure resistance between cables.

In case of abnormality ➞ Replace indoor unit PCB.

No abnormalities, proceed to check

➃

In case of abnormality ➞ Replace the indoor fan motor.

No abnormalities, replace indoor unit PCB.

Normal

Connector No. Voltage

Between 1 – 2 DC 3 – 7 V

Color Resistance

Normal BLU – BRN 94 – 116 Ω

BLU – PNK 115 – 141 Ω

*Use a circuit tester (set to DC range).

12-3-6. Power Circuit Wiring Error

Check wiring of power circuit.

Set temperature by remote controller so air conditioner operates under Thermo. ON in cooling operation, then

start operation.

Check if compressor motor operates for more than 10 seconds.

It does not operate at all ➞ Proceed to check 12-3-7 and 12-3-8.

Stops operation in about 3 seconds ➞ Proceed to check 12-3-9.

No abnormalities, proceed to check 12-4.

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Sanyo CG1411 User Manual Page 60