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Only for training and service purposes
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Troubleshooting Guide
• The operation indicator of Indoor unit blinks five times.
• The red indicator of Outdoor unit blinks five times.
Check the connecting wires between Indoor and Outdoor unit for the
connecting error and the contacting condition.
Check the installation condition of outdoor unit.
Check for the communication error and the operating condition of product
after also operating with the remote controller, then taking above 2 minutes.
Apply the power again after about 20 seconds by the power of Outdoor unit
is off.
Check for the communication error and the operating condition of product
after also operating with the remote controller, then taking above 2 minutes.
Check the PWB assembly of Indoor and Outdoor unit.
If the connecting wires of Indoor and Outdoor unit are not connected within 2 minutes after the power of
Outdoor unit is applied, a communication error will occur. Therefore, the power should be applied after connect-
ing them.
When a comunication error occurs.