Daikin REMQ14PY1 [363/491] Caution be su re to t u rn off power s witch b efore connect or di s connect connector or p a rt s d a m a ge m a y b e occ u rred

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Go on to the Diagnosis Flow 1

(Faulty transmission caused

when the external control adapter

for outdoor unit is mounted)

Go on to the Diagnosis Flow 2

(Transmission alarm given when

the external control adapter for

outdoor unit is mounted)

Go on to the Diagnosis Flow 3

(Abnormal transmission between

the master unit and the slave unit 1)

Go on to the Diagnosis Flow 4

(Abnormal transmission between

the master unit and the slave unit 2)

Go on to the Diagnosis Flow 5

(Multi-connection REYQ units)

Go on to the Diagnosis Flow 6

(Erroneous manual address

settings of the slave units 1 and 2)

Go on to the Diagnosis Flow 7

(Connection of four or more

outdoor units to the same circuit)

Go on to the Diagnosis Flow 8

(Faulty auto address of the slave

units 1 and 2)

Check the LED lamps for

“Check 3” corresponding

to the malfunction code

“

” and for Check 4 in the

monitor mode. (Refer to

P228~229 for how to

check)

Check 3

Check 4

Caution

Be sure to turn off power switch before connect or disconnect connector,

or parts damage may be occurred.