Daikin RXYQ96PYDN, Руководство по обслуживанию

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SiUS34-801A_b Troubleshooting by Indication on the Remote Controller
Troubleshooting 371
Troubleshooting
(V3067)
(Orange) 1
Measuring points
1 - 6
2 - 6
3 - 6
4 - 6
Judgment criteria
40~50
Ω
(Red) 2
(Yellow) 3
(Black) 4
5
COM[+] (Gray) 6
(V3067)
∗
Make measurement of resistance between the connector pins, and then make sure the resistance
falls in the range of 40 to 50
Ω
.
YES
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Return to normal?
Turn power supply off, and
turn power supply on again.
The connector
of outdoor unit PC board
(A1P) for electronic expansion
valve is connected.
Replace the connecting cable.
Replace outdoor unit PC board
(A1P).
YES
YES
NO
Ensure correct connection.
External factor other than
malfunction (for example, noise
etc.).
NO
The coil
resistance of electronic
expansion valve isnormal.
(Refer to
∗
1)
NO
Check the electronic expansion valve corresponding to the malfunction code “
E9
” in the monitor
mode.
(Refer to P334~335 for how to check.)
When Check 4 shows as follows:
→
Electronic expansion valve for main use (Y1E, Y3E for Single, Y1E for Multi)
When Check 4 shows as follows:
→
Electronic expansion valve for refrigerant charge (Y4E for Single, Y2E for Multi)
When Check 4 shows as follows:
→
Electronic expansion valve for subcooling (Y2E, Y5E for Single, Y3E for Multi)
Explanation of “ ”
Master unit
Slave unit 1
Slave unit 2
System