ERROR CONTENTS

1. INDOOR UNIT

Operation can be checked by lighting and flashing of the display section OPERATION, TIMER, and VERTICAL SWING lamps.

Perform judgment in accordance with the following.

VERTICAL SWING lamp (Orange)

TIMER lamp (Green)

OPERATION lamp (Red)

MANUAL

AUTO

SWING SWING TIMER OPERATION

TEST RUNNING

When the air conditioner is run by pressing the remote control unit test run button, the OPERATION, TIMER, and VERTICAL SWING lamps flash slowly at the same time.

ERROR

The OPERATION, TIMER, and VERTICAL SWING lamps operate as follows according to the error contents.

OPERATION

TIMER lamp

SWING lamp

Error contents

lamp (RED)

(GREEN)

(ORANGE)

 

 

 

 

Indoor EEPROM abnormal

 

 

 

Outdoor EEPROM abnormal

(2 times)

 

 

Indoor room temperature sensor

 

 

open

 

 

 

(2 times)

 

 

Indoor room temperature sensor

 

 

short-circuited

 

 

 

 

 

 

 

(3 times)

 

 

Indoor heat exchanger temperature

 

 

sensor open

 

 

 

(3 times)

 

 

Indoor heat exchanger temperature

 

 

sensor short-circuited

 

 

 

(4 times)

 

 

Float switch operated

(5 times)

 

 

Indoor signal abnormal

(5 times)

 

 

Outdoor signal abnormal

(6 times)

 

 

Indoor fan abnormal

 

(2 times)

 

Outdoor power source connection

 

 

abnormal

 

 

 

 

 

 

 

 

(3 times)

 

Outdoor heat exchanger

 

 

temperature sensor open

 

 

 

 

 

 

 

 

(3 times)

 

Outdoor heat exchanger

 

 

temperature sensor short-circuited

 

 

 

 

 

 

 

 

(4 times)

 

Outdoor temperature sensor open

 

 

 

 

 

(4 times)

 

Outdoor temperature sensor

 

 

short-circuited

 

 

 

 

 

 

 

 

 

 

Outdoor discharge pipe temperature

 

(5 times)

 

sensor or compressor temperature

 

 

 

sensor open

 

 

 

Outdoor discharge pipe temperature

 

(5 times)

 

sensor or compressor temperature

 

 

 

sensor short-circuited

 

 

 

 

 

(6 times)

 

Outdoor high pressure abnormal

 

 

 

 

 

 

 

Outdoor discharge pipe temperature

 

(7 times)

 

or compressor temperature sensor

 

 

 

abnormal

 

 

 

 

: 0.1s ON/0.1s OFF (flash)

: OFF

: 0.5s ON/0.5s OFF (flash)

 

2. OUTDOOR UNIT LEDS

 

 

 

Heat & Cool model (reverse cycle) only

When a malfunction occurs in the out-

LED layout

door unit, the LEDs on the circuit board

 

LED2 LED1

light to indicate the error. Refer to the

 

 

 

 

following table for the description of

 

 

 

each error according to the LEDs.

 

 

 

 

 

 

 

 

 

 

 

LED1

LED2

Error contents

 

 

 

 

 

flash

flash

Model abnormal or EEPROM abnormal

 

 

 

 

 

1flash

Lighting

Power source connection error

 

 

 

 

 

2 flash

Lighting

Discharge temp. sensor error

 

 

 

 

 

3 flash

Lighting

Heat exchanger temp. sensor error

 

 

 

 

 

4 flash

Lighting

Outdoor temp. sensor error

 

 

 

 

 

5 flash

Lighting

Communication signal error

 

 

 

 

 

 

6 flash

Lighting

Indoor unit error

 

 

 

 

 

 

 

 

7 flash

Lighting

Discharge temp. abnormal

 

 

 

 

 

8 flash

Lighting

High pressure abnormal

 

 

 

 

 

9 flash

Lighting

Compressor temp. abnormal

 

 

 

 

 

10 flash

Lighting

Compressor temp. sensor error

 

 

 

 

 

Dislighting

No error. Protect operation

 

 

 

 

 

 

When the fault is cleared, the LED lamp goes off.

However, for discharge pipe temperature abnormal and high pres- sure abnormal, the LED lamp lights continuously for 24 hours, as long as the power is not turned off.

2005.07.06

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Fujitsu RO-36UA, RO-36FA, RY-36UA, RY-36FA specifications Error Contents