Troubleshooting With Led; Indoor Unit; Outdoor Unit - Daikin FTXM-V Series Service Manual

SiUS042113E

2. Troubleshooting with LED

2.1

Indoor Unit

Operation Lamp
The operation lamp blinks when any of the following errors is detected.
1. A protection device of the indoor or outdoor unit is activated, or when the thermistor
2. A signal transmission error occurs between the indoor and outdoor units.
In either case, conduct the diagnostic procedure described in the following pages.
2.2

Outdoor Unit

The outdoor unit has one green LED (LED A) on the PCB. When the microcomputer works in order,
the LED A blinks.
Refer to pages 20, 21 for the location of LED.
Part 6 Service Diagnosis
malfunctions.
Operation
lamp
(green)

Troubleshooting with LED

R4003807
85