Troubleshooting
Si33-105
168
Troubleshooting R407C PLUS Series Heat Recovery System
3.12 Indoor Unit:
Malfunction of Thermostat Sensor in
Remote Controller
Remote
Controller
Display
CJ
Supposed
Causes
!
Defect of remote controller thermistor
!
Defect of remote controller PC board
Troubleshooting
Turn power supply OFF, then
power ON again.
Is "CJ" displayed
on the remote
controller?
YES
Replace remote controller.
External factor other than
equipment malfunction.
(for example, noise etc.)
(VF039)
NO
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 ...