Error Display; Error Display Which Occurs At Present - Toshiba RAS-4M27U2AVG-E Service Manual

3) Pushing SW802, the display changes to next item. To see other display contents, repeat that.
4) To finish LED display, be sure to execute item 1) to return LED to the initial status (error display of current
occurrence) and then finish LED display.

[Error display]

The error which is occurring at present and the latest error (including error that is occurring now) can be confirmed
by checking display on the outdoor control P.C. board.
A.Error display which occurs at present
D800 D801 D802
(YL) (YL) (YL)
● ● ●
○* ● ●
● ○* ●
○* ○* ●
● ● ○*
○* ● ○*
● ○* ○*
○* ○* ○*
● ● ●
○* ● ●
● ○* ●
○* ○* ●
● ● ○*
*1 ○* ● ○*
*2 ● ● ●
*2 ○* ● ●
*2 ● ○* ●
*2 ○* ○* ●
○* ● ○*
● ○* ○*
● ● ●
○* ● ●
● ○* ●
○* ○* ●
○* ● ○*
∗1: Back-up operation is performed without error display of the indoor unit.
∗2: Operated normally when the air conditioners in other rooms are driven.
B.Error display of the latest error (including error which occurs at present)
D800 D801 D802
(YL) (YL) (YL)
● ● ●
◎ ● ●
● ◎ ●
◎ ◎ ●
● ● ◎
◎ ● ◎
● ◎ ◎
◎ ◎ ◎
● ● ●
◎ ● ●
● ◎ ●
◎ ◎ ●
● ● ◎
◎ ● ◎
● ● ●
◎ ● ●
● ◎ ●
◎ ◎ ●
◎ ● ◎
● ◎ ◎
● ● ●
◎ ● ●
● ◎ ●
◎ ◎ ●
◎ ● ◎
Display
Indoor check
D803 D804 D805
code
(YL) (YL) (GN)
● ●
● ●
● ●
● ●
● ●
● ●
● ●
● ●
○* ●
○* ●
○* ●
○* ●
○
○* ●
○* ●
● ○*
● ○*
● ○*
● ○*
● ○*
● ○*
○* ○*
○* ○*
○* ○*
○* ○*
○* ○*
Display
Indoor check
D803 D804 D805
code
(YL) (YL) (GN)
● ●
● ●
● ●
● ●
● ●
● ●
● ●
● ●
◎ ●
◎ ●
◎ ●
◎ ●
◇
◎ ●
◎ ●
● ◎
● ◎
● ◎
● ◎
● ◎
● ◎
◎ ◎
◎ ◎
◎ ◎
◎ ◎
◎ ◎
◎:Rapid Flashing(5 times/sec) ◇:Slow Flashing(1 time/sec)
- Normal operation (no error)
1C Compressor case thermostat error
21 High pressure switch error
1C Compressor system error
1D Compressor lock
1F Compressor breakdown
14 Driving element short circuit
16 Position detection circuit error
17 Current detection circuit error
1C Communication error between MCU
1A Fan system error
1E Discharge temperature error
19 Discharge temperature sensor (TD) error
1B Outdoor air temperature sensor (TO) error
1C Gas pipe (unit A) temperature sensor (TGa) error
1C Gas pipe (unit B) temperature sensor (TGb) error
1C Gas pipe (unit C) temperature sensor (TGc) error
1C Gas pipe (unit D) temperature sensor (TGd) error
- PMV error (SH≥20)
- PMV error (SH≤–8)
20 PMV leakage error (unit A)
20 PMV leakage error (unit B)
20 PMV leakage error (unit C)
20 PMV leakage error (unit D)
- Miswiring (mispiping) check error
◎:Rapid Flashing(5 times/sec) ◇:Slow Flashing(1 time/sec)
- Normal operation (no error)
1C Compressor case thermostat error
21 High pressure switch error
1C Compressor system error
1D Compressor lock
1F Compressor breakdown
14 Driving element short circuit
16 Position detection circuit error
17 Current detection circuit error
1C Communication error between MCU
1A Fan system error
1E Discharge temperature error
19 Discharge temperature sensor (TD) error
1B Outdoor air temperature sensor (TO) error
1C Gas pipe (unit A) temperature sensor (TGa) error
1C Gas pipe (unit B) temperature sensor (TGb) error
1C Gas pipe (unit C) temperature sensor (TGc) error
1C Gas pipe (unit D) temperature sensor (TGd) error
- PMV error (SH≥20)
- PMV error (SH≤–8)
20 PMV leakage error (unit A)
20 PMV leakage error (unit B)
20 PMV leakage error (unit C)
20 PMV leakage error (unit D)
- Miswiring (mispiping) check error
- 54 -
FILE NO. SVM-18052 FILE NO. SVM-18052
○:ON (○*:3 sec ON/0.5 sec OFF)●:OFF
Description
○:ON (○*:3 sec ON/0.5 sec OFF)●:OFF
Description