4. Service procedures

Section

1

2

3

4

(3)Meanings of alarm messages

If an error occurred in the air conditioner, the error condition is presented by indicating the error code in the wired remote controller display or by the combination of lamp statuses for operation, timer and heat stand-by (OFF status and flashing status).

Possible causes of troubles

 

Wired remote

Wireless remote

 

controller

controller

 

 

 

 

 

display

display

 

 

Remote controller is detecting

 

Error receiving of serial communications signal.

E01

Operation lamp

 

 

unusual signal from indoor unit.

 

 

 

flashes

 

 

 

Error transmitting of serial communications signal.

E02

 

 

 

 

 

 

 

• Indoor unit is detecting unusual signal from the remote controller and group control.

E03

O: Operation lamp

 

 

(No serial communications signal)

 

 

: Timer lamp

 

 

 

 

 

 

setting-

Improper setting of indoor unit or

 

Indoor unit address setting is duplicated.

E08

:Heat stand-by

remote controller.

 

Remote controller address (RCU.ADR) is duplicated.

E09

lamp

• Mis

 

 

 

 

 

Indoor unit is detecting unusual

 

Error transmitting of serial communications signal

E10

 

errors

signal from signal option.

 

 

 

 

 

Error receiving of serial communications signal.

E11

 

 

 

 

 

 

 

 

 

communication

Improper setting of indoor unit or

 

When using flexible combination control, main indoor unit address

E14

 

Outdoor unit is detecting

 

Error receiving of serial communications signal.

E06

 

 

 

remote controller.

 

setting is duplicated. (judged by outdoor unit.)

 

 

 

 

Indoor unit is detecting unusual

 

Error receiving of serial communications signal.

E04

Heat stand-by

 

 

signal from outdoor unit.

 

Error transmitting of serial communications signal

E05

lamp flashes

 

 

 

 

 

 

 

 

 

 

:Operation lamp

• Serial

unusual signal from indoor unit.

 

 

 

 

(Confirmation error of unit numbers included)

 

: Timer lamp

 

 

 

 

 

Error transmitting of serial communications signal.

E07

O: Heat stand-by

 

 

 

 

 

 

lamp

 

 

Auto. address setting is not

 

No. of judged indoor units or total capacity of indoor units is small.

E15

 

 

 

 

 

 

correct.

 

No. of judged indoor units or total capacity of indoor units is large.

E16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Indoor unit is detecting unusual

 

Error transmitting of serial communications signal

E17

 

 

 

signal from another indoor unit.

 

 

 

 

 

 

 

Error receiving of serial communications signal.

E18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Improper setting of indoor unit or

 

Indoor unit group address is not correct.

L01

Operation lamp and

 

 

remote controller.

 

Model setting of indoor unit is not matching the outdoor unit.

L02

heat stand-by lamp

 

 

 

 

flash at the same time.

 

 

 

 

 

 

 

 

 

 

When using group control, main indoor unit address setting is duplicated.

L03

 

 

 

 

O: Operation lamp

setting-

 

 

(judged by indoor unit.)

 

 

 

 

O: Heat stand-by

 

 

 

 

Outdoor unit address is duplicated.

L04

: Timer lamp

 

 

 

 

 

• Mis

 

 

 

 

 

 

 

Improper wiring between indoor units.

L07

lamp

 

 

(There is a group connection wiring in case of individual control.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Indoor unit address (or group address) is not set.

L08

 

 

 

 

 

Capacity code of indoor unit is not set.

L09

 

 

 

 

 

 

 

 

 

 

 

 

Improper wiring of group control wiring.

L11

 

 

 

 

 

 

 

 

 

 

 

 

Indoor unit model setting is improper (capacity)

L13

 

 

 

 

 

 

 

Improper wiring connections of ceiling panel.

P09

: Operation lamp

 

 

 

 

 

 

O: Timer lamp

device

Protective device in indoor unit

 

Thermal protector in indoor fan motor is activated.

P01

 

O: Heat stand-by

 

 

is activated.

 

Float switch is activated.

P10

lamp

 

 

 

 

 

protective

Protective device in outdoor unit

 

• Thermal protector in outdoor fan motor is activated.

P02

Operation lamp and heat

 

stand-by lamp flash

is activated.

 

• Compressor thermal protector is activated.

 

 

 

 

 

• Power supply voltage is unusual. (The voltage is more than

 

alternately.

 

 

 

 

 

O: Operation lamp

of

 

 

260 V or less than 160 V.)

 

 

 

Discharge gas temperature of comp. is unusual.

P03

: Timer lamp

Activation•

 

 

 

 

 

 

O: Heat stand-by

 

 

High pressure switch is activated.

P04

 

 

 

 

 

 

 

 

lamp

 

 

 

 

 

 

 

 

 

 

Voltage drops.

P05

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Other indooor unit is warning.

P31

 

 

 

 

 

 

 

 

SM830076

– 58 –

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Image 58
Sanyo CH2432, XHS3632, XHS2432, CH3632 service manual Meanings of alarm messages, Controller Display

XHS3632, XHS2432, CH3632, CH2432 specifications

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