Toshiba RAS-B10GKVP-E Service Manual page 85

10-4-10. Miswiring (Mispiping) Check
Make sure that the wiring and piping for each room
have the same alphabetical codes (A, B, C, D).
Connect and secure the power cord.
Use the power cord/cables with thickness, type and
protective devices specified in this manual.
Insulate the unused cords (conductors) with PVC
tape.
1. Turn on the power breaker.
2. Open side panel of the outdoor unit.
3. Set the all indoor units to COOL mode.
• It is unnecessary to set the temperature.
• Miswiring check can not be executed when
outdoor air temperature is 5°C or less.
4. Start the check.
• Disconnect the miswiring check connector
(color : Red) from P .C. board of inverter.
Miswiring (mispiping) check by LED Indication
• For this outdoor unit, the self-miswiring (mispiping) check is possible by using five LEDs (1 Yellow + 4 Red).
* LEDs (D800 to D804) locate on the sub-control board underneath of the inverter.
LED D800 D801 D802 D803 D804
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During check
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∗1
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∗1
¥
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∗1 ¤
¥ l
Result of
judgement
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∗1
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¥
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l l
Normal operation (no error)
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Checking A unit
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Checking B unit
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Checking C unit
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Checking D unit
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Crush/Clog of Pipe A
l l
¤
Crush/Clog of Pipe B
l
¤
Crush/Clog of Pipe C
l
¤
Crush/Clog of Pipe D
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¤
Miswiring/Mispiping or Crush/Clog of Pipe A, B
l
¤
Miswiring/Mispiping or Crush/Clog of Pipe A, C
l
¤
Miswiring/Mispiping or Crush/Clog of Pipe A, D
l
¤ ¤
Miswiring/Mispiping or Crush/Clog of Pipe B, C
l
¤ ¤
Miswiring/Mispiping or Crush/Clog of Pipe B, D
¤ ¤
Miswiring/Mispiping or Crush/Clog of Pipe C, D
l
¤ ¤
A, B, C Miswiring/Mispiping
l
¤ ¤
A, B, D Miswiring/Mispiping
¤ ¤
A, C, D Miswiring/Mispiping
¤ ¤ ¤
B, C, D Miswiring/Mispiping
A, B, C, D Miswiring/Mispiping packed valve
¤ ¤ ¤
keeps closed
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5. During check (Check time 3 to 20 minutes).
• When an error describes in the table below
occurred check operation stops and error code
is displayed on LED.
6. After check, the result of check is displayed on
LED.
• The Comp. stop when miswiring (mispiping)
error occurred.
• Confirm the contents of table below.
• Turn off the power breaker.
• Correct miswiring/mispiping.
• Execute the check operation again.
• Automatically return to the normal operation
when it is normal.
7. Return to normal operation.
• To return to the normal operation during check
operation or after miswiring (mispiping) error is
determined, connect the miswiring check
connector.
Description
– 85 –
LED
D800 D801 D802 D803 D804
Red
Yellow
MISWIRING (MISPIPING)
CHECK CONNECTOR
(Color:RED)
Check mode Short Open
Normal operation Short
Fig. 10-4-18
LED : Light Emitting Diode
¤
: LED ON
l
: LED OFF
¥
: LED FLASH
1 : 4 units Multi model only
*
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