Toshiba RAS-4M23SAV-E Installation Manual page 16

5. During checks (Check time 3 to 20 minutes).
• When an error described in the table below occurrs, check that operation stops and an error code is displayed on LED.
6. After checks, the check results are displayed on LED.
• The compressor stops when a miswiring (mis-pipng) error occurrs.
• Confirm the contents of the table below.
• Turn off the power breaker.
• Correct miswiring/mis-piping.
• Connect the miswiring check connector.
• Execute the check operation again.
• Automatically return to normal operation when conditions are normal.
7. Return to normal operation.
• To return to normal operation during check operation or after a miswiring (mis-piping) error has been determined, connect the
miswiring check connector.
Miswiring (mis-piping) check by LED Indication
• For this outdoor unit, self-miswiring (mis-piping) checks are possible using the five LEDs (1 Yellow + 4 Red).
* LEDs (D800 to D804) are provided on the inverter P.C. board.
LED D800 D801 D802 D803 D804
During check
*1
*1
*1
Check results
*1
*1
*1 4 unit Multi model only
EN
Normal operation (no error)
Checking A unit
Checking B unit
Checking C unit
Checking D unit
Crush/Clog of Pipe A
Crush/Clog of Pipe B
Crush/Clog of Pipe C
Crush/Clog of Pipe D
Miswiring/Mis-piping or Crush/Clog of Pipe A, B
Miswiring/Mis-piping or Crush/Clog of Pipe A, C
Miswiring/Mis-piping or Crush/Clog of Pipe A, D
Miswiring/Mis-piping or Crush/Clog of Pipe B, C
Miswiring/Mis-piping or Crush/Clog of Pipe B, D
Miswiring/Mis-piping or Crush/Clog of Pipe C, D
A, B, C Miswiring/Mis-piping
A, B, D Miswiring/Mis-piping
A, C, D Miswiring/Mis-piping
B, C, D Miswiring/Mis-piping
A, B, C, D Miswiring/Mis-piping
Packed valve stays closed
LED : Light Emitting Diode,
Red
Yellow
Miswiring (mis-piping) check connector
(color: Red)
14
Description
: LED ON, : LED OFF,
Check mode
Normal operation
: LED Flash
Short → Open
Short