Troubleshooting - Toshiba RAV-SM564UT-E Service Manual

Toshiba SDI / DI tuotteiden jälleenmyyjä pääkaupunkiseudulla on Jäähdytinpalvelu RefGroup Oy.

10-2. Troubleshooting

10-2-1. Outline of judgment
The primary judgment to check whether a trouble occurred in the indoor unit or outdoor unit is carried out with
the following method.
Method to judge the erroneous position by flashing indication on the display part 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
∗1: These are representative examples and the check code differs according to the outdoor unit to be combined.
Check code
— Power supply OFF or miswiring between receiving unit and indoor unit
E01
Receiving error
Sending error
E02
Communication stop
E03
E08
Duplicated indoor unit No.
Duplicated master units of remote controller
E09
E10 Communication error between CPUs on 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.
Indoor DC fan error
P12
P03
Outdoor unit discharge temp. error
Outdoor high pressure system error
P04
P05
Negative phase detection error
P07 Heat sink overheat error
Gas leak detection error
P15
P19 4-way valve system error (Indoor or outdoor unit judged.)
P20 Outdoor unit high pressure protection
P22
Outdoor unit: Outdoor unit error
P26 Outdoor unit: Inverter Idc operation
Outdoor unit: Position detection error
P29
Stopped because of error of other indoor unit in a group
P31
(Check codes of E03/L03/L07/L08)
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– 89 –
: Go off,
Cause of trouble occurrence



Receiving unit 
Miswiring or wire connection error


between receiving unit and indoor unit




Protective device of indoor unit worked.


Protective device of

outdoor unit worked.




Outdoor unit error




Protective device of

 outdoor unit worked.

<In case of SP110, SP140>
: Go on, : Flash (0.5 sec.)


Setup error

∗1
∗1