Troubleshooting - Toshiba RAV-SM564ATJP-E Service Manual

8-2. Troubleshooting

8-2-1. Outline of judgment
The following method can be done to check whether the problem occurred in indoor or outdoor unit.
The error is indicated by indication lamp on the display of the indoor unit. (sensors of the receiving part)
The indoor unit monitors the operating status of the air conditioner, and the blocked contents of self-diagnosis
are displayed restricted to the following cases if a protective circuit works.
Lamp indication
Operation Timer
No indication at all
Operation Timer
Flash
Operation Timer
Operation Timer
Alternate flash
Operation Timer
Alternate flash
SVM-13072.indb 49 SVM-13072.indb 49
Check code
Ready
— Power supply OFF or miswiring between receiving unit and indoor unit
E01 Receiving error
E02 Sending error
E03 Communication stop
Ready
E08 Duplicated indoor unit No.
E09 Duplicated header units of remote controller
E10 Communication error between CPUs on indoor unit P.C. board
E11 Communication error between Application control kit and indoor unit P.C. board
Wire connection error between indoor units, Indoor power OFF
E18 (Communication stop between indoor master and follower or between main
and sub indoor twin)
Ready
Miswiring between indoor unit and outdoor unit or connection erorr
E04
(Communication stop between indoor and outdoor units)
Flash
Ready
P10
Overflow was detected.
Indoor DC fan error
P12
P03 Outdoor unit discharge temp. sensor error
Case thermostat operation, High pressure protective operation,
P04
High pressure SW system error, Power supply error,
P05 Power supply error
P07 Heat sink overheat error
Gas leak detection
Ready P15
4-way valve inverse error (Indoor or outdoor unit detected)
P19
P20 High pressure protective operation
Outdoor unit fan system error
P22
Short-circuit of compressor drive element
P26
Position detection circuit error
P29
Stopped because of error of other indoor units in a group
P31
(Check codes of E03/L03/L07/L08)
: OFF,
Cause of trouble
⎫
⎫
Receiving unit
⎬
⎬
Miswiring or wire connection error
⎭
between receiving unit and indoor unit
⎭
⎫
⎬
Protective device of indoor unit worked.
⎭
– 49 –
FILE NO. SVM-13072
: ON, : Flash (0.5 sec.)
Setup error
Protective
device of
outdoor unit
worked.
Protective device of outdoor unit
worked.
11/01/13 1:53 PM 11/01/13 1:53 PM