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Si21-205
Troubleshooting for Indoor Unit
Troubleshooting
155
5.11 Malfunction of Remote Controller Thermistor
Remote
Controller
Display
CJ
Applicable
Models
FFQ-B, FHQ-BU
Method of
Malfunction
Detection
Even if remote controller thermistor is faulty, system is possible to operate by system thermistor.
Malfunction detection is carried out by temperature detected by remote controller thermistor.
Malfunction
Decision
Conditions
When the remote controller thermistor becomes disconnected or shorted while the unit is
running.
Supposed
Causes
Failure of sensor itself
Broken wire
Troubleshooting
Check No.2
Refer to P.163
Turn the power supply
off once and then
back on
Replace remote controller.
Could be outside cause
(noise,etc.) other than
malfunction
Is CJ
displayed on the
remote
controller?
NO
YES
(S1168)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
See
Check No. 2
for “Thermistor temperature and resistance characteristics”.
Summary of Contents for Sky Air B-Series R-410A
Page 7: ...Si21 205 vi Table of Contents ...
Page 15: ...Models Si21 205 4 Model Name and Power Supply ...
Page 16: ...Si21 205 Functions 5 Part 2 Functions 1 List of Functions 6 ...
Page 35: ...Wireless Remote Controller Si21 205 24 Remote Controller ...
Page 79: ...Settings Concerning Maintenance Si21 205 68 Field Setting Detail of PCB 2 ...
Page 83: ...Maintenance Mode Setting Si21 205 72 Field Setting ...
Page 239: ...Troubleshooting for Outdoor Unit 50 60 class Si21 205 228 Troubleshooting ...
Page 321: ...Outdoor Unit 50 60 class Si21 205 310 Removal Procedure ...