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Troubleshooting
Remote controller check display
Main remote controller
Operating and reading the check display
Push the CHECK button, and the identification number of the faulty indoor unit is shown in the Temperature Set-up section
of the display – and the check code is shown in the TIME section of the display.
If the air filter cleaning sign is displayed, the number of indoor units with a filter problem is indicated, followed by the check
code.
LCD display
“Standby” mode:
• When combination of indoor units is over the capacity.
• When indoor unit with command excepted by operation mode
select switch.
• When phase-sequence of power wiring is incorrect.
Check switch
• Push for 0.5 seconds to display CHECK code.
• Push for 3 seconds to reset indoor microprocessor.
(While indoor microprocessor is locked by ALL STOP alarm.)
• Push for 10 seconds to clear check data.
Reset switch
• Push the switch inside the hole with pin.
The remote controller resets initialised.
(All data is cleared.)
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