SiE-05C
Troubleshooting (Inverter)
Troubleshooting Inverter K Series
167
5.7
Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise Sensor
Remote Controller
Display
PPP
P1111
Supposed Causes
Open phase
Voltage imbalance between phases
Defect of main circuit capacitor
Defect of inverter unit
Defect of K1M
Improper main circuit wiring
Troubleshooting
(VF069)
Is
the voltage
imbalance applied to the
inverter in excess of 10 V
(TAL) or 20 V
(Y1, YAL)?
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) KIM 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
Contact QC div.
Fix power supply voltage
imbalance.
YES
YES
NO
Imbalance
in supplied voltage is
in excess of 10 V (TAL) or
20 V (Y1,
YAL).
Open phase?
<When voltage monitoring is possible:>
∗
1. Measure voltage at the Z1F power supply terminal block
(TeS1).
∗
2. Measure voltage at terminals L1, L2 and L3 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.
Disposal
Be sure to send a product report of the imbalance.
YES
NO
SI-05C.BOOK Page 167 Monday, November 6, 2000 4:13 PM
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