Troubleshooting
Si33-105
164
Troubleshooting R407C PLUS Series Heat Recovery System
3.8
Indoor Unit:
Malfunction of Capacity Determination
Device
Remote
controller display
AJ
Supposed
Causes
!
You have forgotten to install the capacity setting adaptor.
!
Defect of indoor unit PC board
Troubleshooting
(VF035)
Install a capacity setting adaptor.
Replace the indoor unit PC board.
NO
NO
YES
YES
Replace the indoor unit PC board.
The
indoor unit PC board
was replaced with a
replacement PC
board.
The indoor
unit is a model
that requires installation
of a capacity setting
adaptor when
replacing the PC
board.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Summary of Contents for R407C PLUS
Page 1: ...System R407C PLUS Series Heat Recovery System Si33 105 Service Manual ...
Page 11: ...Introduction Si33 105 x ...
Page 41: ...Specifications Si33 105 30 Specifications R407C PLUS Series Heat Recovery System ...
Page 147: ...Test Operation Si33 105 136 Test Operation R407C PLUS Series Heat Recovery System ...
Page 263: ...Si33 105 iv Index ...