Troubleshooting - Toshiba RAS-3M18S3AV-E Manuel D'installation

Outdoor Unit
4. Hold down SW01 for at least 5 seconds, and check that D800 is lighted
and D804 light is fl ashing ( 1 time/sec.).
D800 D801
 
5. Press SW01 for 1 time. Then D804 light is fl ashing (5 times/sec.).
D800 D801
 
6. Press SW02 for 1 time. Then D805 light is fl ashing (5 times/sec.).
D800 D801
 
7. Hold down SW02 for at least 5 seconds. Then outdoor unit start cooling
mode.
(The display is kept during the refrigerants collection operation.)
D800 D801
 
8. Close the valve stem of the service valve at the liquid end.
9. Make sure that the compound pressure gauge reading is –101 kPa
(–76 cmHg)
10. Close the valve stem of the service valve at the gas end.
11. The refrigerants collection operation is fi nished in maximum 10 minutes.
After the collection is fi nished, promptly stop the operation of all the
indoor unit.
(There are cases that the compressor restarts.)
12. When you want to start over the operation of the SW01 and SW02, press
the SW01 and SW02 at the same time for 5 sec. (It back to the initial
condition of 3.)
However, do not execute the operation during the refrigerants collection.
If by any chance the collection is stopped by the operation, start over the
refrigerants collection operation.
11

Troubleshooting

You can perform fault diagnosis of the outdoor unit with the LEDs on the P.C.
board of the outdoor unit in addition to using the check codes displayed on
the remote controller of the indoor unit.
Use the LEDs and check codes for various checks. Details of the check
codes displayed on the remote controller of the indoor unit are described in
the Installation Manual of the indoor unit.
LED displays and check codes
Display
D800 D801 D802 D803 D804
(YL) (YL) (YL) (YL) (YL)
    
*    
 *   
* *   
  *  
*  *  
 * *  
* * *  
   * 
*   * 
 *  * 
* *  * 
  * * 
*  * * 
 * * * 
* * * * 
    *
*    *
 *   *
*  *  *
 * *  *
   * *
*   * *
 *  * *
*  * * *
1116691001-1.indb 12 1116691001-1.indb 12
D802 D803 D804 D805
   
D802 D803 D804 D805
  
D802 D803 D804 D805
 
D802 D803 D804 D805
   
: ON ( * : 3 sec ON/0.5 sec OFF),
  
Indoor
check Description
D805
code
(GN)
- 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
Discharge temperature sensor
19
(TD) error
Outdoor air temperature sensor
1B
 (TO) error
Suction temperature sensor (TS)
18
error
Heat exchanger temperature
18
sensor (TE) error
Gas pipe (unit A) temperature
1C
sensor (TGa) error
Gas pipe (unit B) temperature
1C
sensor (TGb) error
Gas pipe (unit C) temperature
1C
sensor (TGc) 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)
- Miswiring (mispiping) check error
: OFF
12
Installation Manual
EN
EN
EN
EN
EN
EN
EN
9/27/16 3:34 PM 9/27/16 3:34 PM