Negative Phase, Open Phase - Daikin VRV Inverter K Series Manual

SI-05C.BOOK Page 150 Monday, November 6, 2000 4:13 PM
Troubleshooting

3.27 Negative Phase, Open Phase

U U U U 1 1 1 1
Remote Controller
Display
Supposed Causes
Troubleshooting
150
Power supply negative phase
Power supply open phase
Defect of outdoor PC board A1P
There
is an open phase at
YES
the power supply terminal
section (TeS1) of
the outdoor unit.
NO
Operation
is normal if one place
YES
of power supply line phase is
replaced.
NO
Fix the open phase. Requires
inspection of field power supply section.
Negative phase
Disposal of the problem is completed
by phase replacement.
Replace outdoor unit PC board A1P.
: http://splitoff.ru/tehn-doc.html
Troubleshooting Inverter K Series
SiE-05C
(VF053)