8-2.Troubleshooting; 8-2-1.Outline Of Judgment - Toshiba RAV-GP561ATW-E Service Manual

8-2. Troubleshooting
8-2-1. 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 troubled 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 trouble
E02 Sending trouble
Communication stop
E03
E08
Duplicated indoor unit No.
Duplicated header units of remote controller
E09
E10 Communication trouble between CPUs on indoor unit P.C. board
Wire connection trouble between indoor units, Indoor power OFF
E18 (Communication stop between indoor header and follower or between header and
follower indoor twin)
Miswiring between indoor unit and outdoor unit or connection trouble
E04
(Communication stop between indoor and outdoor units)
P01
P10
Overflow was detected
Indoor DC fan trouble
P12
P03
Outdoor unit discharge temp. trouble
Outdoor high pressure system trouble
P04
P05
Negative phase detection trouble
P07 Heat sink overheat trouble
Gas leak detection trouble
P15
P19 4-way valve system trouble (Indoor or outdoor unit judged.)
P20 Outdoor unit high pressure protection
P22
Outdoor unit: Outdoor unit trouble
P26 Outdoor unit: Inverter Idc operation
Outdoor unit: Position detection trouble
P29
Stopped because of trouble of other indoor unit in a group
P31
(Check codes of E03 / L03 / L07 / L08)
: Go off,
Cause of trouble occurrence
Receiving unit Miswiring or wire connection trouble between
receiving unit and indoor unit
Protective device of indoor unit worked
Protective device of outdoor unit worked
Outdoor unit trouble
Protective device of
outdoor unit worked
63
: Go on, : Flash (0.5 sec.)
Setup trouble
*1
*1