Outline Of Judgment; Troubleshooting - Toshiba RAV-GM301ATP-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 Ready
No indication at all
Operation Timer Ready
Flash
Operation Timer Ready
Flash
Operation Timer Ready
Alternate flash
Operation Timer Ready
Alternate flash
Check code
— Power supply OFF or miswiring between receiving unit and indoor unit
E01 Receiving error
E02 Sending error
E03 Communication stop
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)
Miswiring between indoor unit and outdoor unit or connection erorr
E04
(Communication stop between indoor and outdoor units)
P10 Overflow was detected.
P12 Indoor DC fan error
Outdoor unit discharge temp. sensor error
P03
High pressure protective operation, High pressure SW system
P04
error, Power supply error,
P05 Power supply error
P07 Heat sink overheat error
P15 Gas leak detection
4-way valve inverse error (Indoor or outdoor unit detected)
P19
P20 High pressure protective operation
P22 Outdoor unit fan system error
P26 Short-circuit of compressor drive element
Position detection circuit error
P29
Stopped because of error of other indoor units in a group
P31
(Check codes of E03/L03/L07/L08)
– 47 –
: OFF,
Cause of trouble
⎫
⎫
Receiving unit
⎬
Miswiring or wire connection error
⎬
⎭
between receiving unit and indoor unit
⎭
⎫
Protective device of indoor unit worked.
⎬
⎭
FILE NO. SVM-18042-1
: ON, : Flash (0.5 sec.)
⎫
⎬ Setup error
⎭
Protective
device of
outdoor unit
worked.
Protective device of outdoor unit
worked.