<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
•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
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
•Does not outside
•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?
•Is not being carried out a test run by operation of the outdoor controller?
b)Did you return the cabling to the initial positions?
c)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
When a trouble occurred, check the parts along with the following procedure.
Trouble
→
Confirmation of lamp display
(When wireless remote controller is connected)
→
Check defective position and parts.
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