Diagnosis Servis
98
Penyelesaian Masalah Menggunakan Remote Kontrol
Si341213
Turn OFF the power supply
once, and turn ON again.
2.20 Ketidaknormalan PCB Inverter
Kode Kesalahan
L1
Model yang
berlaku
RQQ8-48PY1
Metode Deteksi
Kesalahan
Mendeteksi kesalahan dengan nilai arus selama output gelombang sebelum startup
kompresor.
Mendeteksi kesalahan dengan nilai sensor arus selama operasi yang disinkronkan pada
saat penyalaan.
Kondisi
Keputusan
Kesalahan
Ketika arus lebih terdeteksi pada saat keluaran bentuk gelombang sebelum
mengoperasikan kompresor
Ketika kesalahan sensor arus selama operasi pensinkornan
Ketika tegangan lebih terjadi pada IPM
Dugaan
sebab
PCB (A4P) unit outdoor rusak
Kegagalan IPM
Kegagalan sensor arus
Sirkit penggerak rusak
Penyelesaian
Masalah
Perhatian
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Does the Catu
Daya normally
restart?
NO
CHECK 4
Check if the power
transistor is
normal.
YES
YES
NO
It is supposed that the error results
from external causes other than
failures (e.g. exogenous noises or
thunder).
CHECK 4
Check if the power
transistor of the
fan driver is
normal.
YES
CHECK 4
Refer to P.136
Is the insulation
resistance of the
compressor 100k
and above?
YES
NO
NO
Replace the
compressor and
compressor PCB
Inverter (A4P) at
the same time.
Replace the
PCB Inverter
(A4P).
Replace the
compressor
PCB Inverter
(A4P) and fan
PCB Inverter
(A5P, A7P).
Replace the
PCB Inverter
(A4P).