Daikin RQYQ22PY1 [120/194] Troubleshooting

Daikin RQYQ48PY1 [120/194] Troubleshooting
Troubleshooting by Remote Controller Si341009
111 Troubleshooting
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Turn OFF the power supply once
and then turn it ON again.
Return to normal?
YES
External factor other than error
(for example, noise etc.).
Check the electronic expansion valve corresponding to the error code “
E9
” in the monitor mode.
{
When confirmation of error 3 and 4 shows as follows:
Electronic expansion valve for main (Y1E)
{
When confirmation of error 3 and 4 shows as follows:
Electronic expansion valve for refrigerant charge (Y2E)
{
When confirmation of error 3 and 4 shows as follows:
Electronic expansion valve for subcooling (Y3E)
{
Explanation of “
Master unit
Slave unit 2
Slave unit 3
The connector of
outdoor unit PCB
(A1P) for electronic
expansion valve is
connected.
The coil resistance of
electronic expansion
valve is normal.
(Refer to
*
1)
NO
Ensure correct connection.
NO
NO
YES
YES
Replace the electronic
expansion valve coil.
*1. Make measurement of resistance between the connector pins, and then make sure the
resistance falls in the range of 40 to 50
.
(Orange) 1
(Red) 2
(Yellow) 3
(Black) 4
5
COM[+] (Gray) 6
Measuring points
1 - 6
2 - 6
3 - 6
4 - 6
Judgement criteria
40~50
Slave unit 1
Replace the outdoor unit PCB
(A1P).

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