Troubleshooting
SiE 00-07
148
Troubleshooting R-407C PLUS Series
3.26
Reverse Phase, Open Phase
Remote Controller
Display
U1
Supposed Causes
Power supply reverse phase
Power supply open phase
Defect of outdoor PC board A1P
Troubleshooting
(VF053)
Operation
is normal if one place
of power supply line phase is
replaced.
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.
YES
YES
NO
NO
There
is an open phase at
the power supply terminal
section (X1M) of
the outdoor unit.
Содержание FXYBP20K7V1
Страница 1: ...System R 407C PLUS Series Service Manual SiE 00 07 ...
Страница 11: ...Introduction SiE 00 07 x ...
Страница 17: ...Product Outline SiE 00 07 6 General Information R 407C PLUS Series ...
Страница 41: ...Specifications SiE 00 07 30 Specifications R 407C PLUS Series ...
Страница 90: ...SiE 00 07 Test Operation Test Operation R 407C PLUS Series 79 1 3 Outdoor Unit PC Board Ass y Outdoor Unit ...
Страница 119: ...Test Operation SiE 00 07 108 Test Operation R 407C PLUS Series ...
Страница 132: ...SiE 00 07 Troubleshooting by Remote Controller Troubleshooting R 407C PLUS Series 121 ...