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SiUS092230EA
Troubleshooting with LED
Part 6 Service Diagnosis
113
2. Troubleshooting with LED
2.1 Indoor
Unit
Operation Lamp
Check the interval time between blinks of the OPERATION lamp.
FTXR Series
Blink every 2 to 3 seconds
If the operation mode is different from the operation mode of the indoor unit in another room, the
OPERATION lamp may blink and operation may not be performed, or operation may stop while in
progress.
COOL, DRY and HEAT operation may not be used at the same time.
Blink every 0.5 seconds
This is a notification of an abnormality.
Conduct the diagnostic procedure described in the following pages.
FDMQ, FFQ Series with BRC1E73 Wired Remote Controller
The operation lamp blinks when any of the following errors is detected.
1. When a protection device of the indoor or outdoor unit is activated, or when the thermistor
malfunctions.
2. When a signal transmission error occurs between the indoor and outdoor units.
In either case, conduct the diagnostic procedure described in the following pages.
R4003516
Operation lamp
(multi-monitor lamp)
(R24043)
Operation lamp (green)
#
The error or warning message also blinks on the basic screen.
#
Summary of Contents for RX-W Series
Page 1: ... Applied Models Inverter Pair Heat Pump Service Manual SiUS092230EA Inverter Pair RX W Series ...
Page 207: ...SiUS092230EA Check Part 6 Service Diagnosis 201 15 18 24 class R25105 1 2 3 4 Multimeter ...
Page 209: ...SiUS092230EA Check Part 6 Service Diagnosis 203 15 18 24 class R20704 W V U DC_P1 DC_N1 ...
Page 239: ...SiUS092230EA Piping Diagrams Part 8 Appendix 233 RX24WMVJU9 3D141502 ...