Daikin VRV - WII, Руководство по обслуживанию

Страница: 217 / 312

Troubleshooting by Indication on the Remote Controller SiUS30-604
204 Troubleshooting
Troubleshooting
(V2816)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Is
the voltage
imbalance applied to
the inverter in excess of
10V?
∗
2
NO
Part or wiring defect
After turning the power supply
OFF, check and repair the
main circuit wiring or parts.
(1) Loose or disconnected
wiring between power
supply and inverter
(2) K1, K2, K1R contact
disposition, fusion or
contact is poor.
(3) Loose or disconnected
noise filter
Using a device capable of
constant recording of power
supply voltage record
power supply voltage
between 3 phases (L1 ~ L2,
L2 ~ L3, L3~L1) for about
one continuous week.
Open phase
Normalize field cause.
Power supply voltage imbalance
Explanation for users
Fix power supply voltage
imbalance.
YES
YES
NO
Imbalance
in supplied voltage
is in excess of 10V.
∗
1
Open phase?
<When voltage monitoring is possible:>
∗
1. Measure voltage at the X1M power supply
terminal block.
∗
2. Measure voltage at terminals L1A, L2A and L3A
of the diode module inside the inverter while the
compressor is running.
∗
In accordance with “notification of inspection results” accompanying spare parts.
Give the user a copy of “notification of inspection results” and leave
it up to him to improve the imbalance.
Be sure to explain to the user that
there is a “power supply imbalance”
for which DAIKIN is not responsible.
measure
YES
NO