Toshiba RAV-GP561ATW-E Service Manual page 62

<Wireless remote controller type>
1. Before troubleshooting
(1) Required tools / instruments
• (+) and (–) screwdrivers, spanners, long-nose 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 the air conditioner being controlled by the 3-minute protective function?
• Is it in standby status though the room temperature has reached the setup temperature?
• Is it being operated in timer mode or fan mode?
• Is the remote controller set in "heating" under the high outside air temperature?
2.Indoor fan does not operate.
• Is the air conditioner being controlled by the cool air discharge preventive function in "heating"?
3.Outdoor fan does not operate or fan speed changes.
• Does high-temperature release operation control work in heating operation?
• Does outside low-temperature operation control work in cooling operation?
• Is defrost operation performed?
4.ON/OFF operation cannot be performed from remote controller.
• Is the air conditioner in forced operation?
• Is it being operated by the central control system?
• Is an 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.)
• Is a test run of the air conditioner being carried out?
5.LED for the indoor and outdoor communication does not flash.
* LED is placed on the outdoor unit P.C. board. (CDB P.C. board)
• Does standby power saving operation control work?
(LED does flash, when the inside and outside communication is being stopped during the standby
power saving control. Operating service switches (SW01 or SW02) on the outdoor unit allow to restart
the communication.)
b) Did you return the wiring to the initial positions?
c) Are connecting wires between indoor unit and receiving unit correct?
2. Troubleshooting procedure
When a trouble occurred, check the parts along with the following procedure.
Trouble → Confirmation of lamp display → Check troubled position and parts.
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