<Wireless remote controller type>

<Wireless remote controller type>

1. Before troubleshooting

1) Required tools/instruments

+ and screwdrivers, spanners, radio cutting pliers, nippers, etc.

Tester, thermometer, pressure gauge, etc.

2)Confirmation points before check

a) The following operations are normal.

1.Compressor does not operate.

Is not 3-minutes delay (3 minutes after compressor OFF)?

Is not the outdoor unit in standby status though the remote controller reached the setup temperature?

Does not timer operate during fan operation?

Is not an overflow error detected on the indoor unit?

Is not outside high-temperature operation controlled in heating operation?

2.Indoor fan does not rotate.

Does not cool air discharge preventive control work in heating operation?

3)Outdoor fan does not rotate or air volume changes.

Does not high-temperature release operation control work in heating operation?

Does not outside low-temperature operation control work in cooling operation?

Is not defrost operation performed?

4)ON/OFF operation cannot be performed from remote controller.

Is not forced operation performed?

Is not the control operation performed from outside/remote side?

Is not automatic address being set up?

(When the power is turned on at the first time or when indoor unit address setting is changed, the operation cannot be performed for maximum approx. 5 minutes after power-ON.)

a)Did you return the cabling to the initial positions?

b)Are connecting cables between indoor unit and receiving unit correct?

2.Troubleshooting procedure

(When the power is turned on at the first time or when indoor unit address setting is changed, the operation cannot be performed for maximum approx. 5 minutes after power-ON.)

When a trouble occurred, check the parts along with the following procedure.

Trouble

Confirmation of lamp display

Check defective position

and parts.

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Toshiba RAV-SM1603DT-A Troubleshooting procedure, Before troubleshooting, 84, <Wireless remote controller type>