![background image](http://html1.mh-extra.com/html/daikin/super-multi-plus-e-series-ftxg25ev1bw/super-multi-plus-e-series-ftxg25ev1bw_service-manual_4705813381.webp)
SiBE18-821_C
Troubleshooting for SA Indoor Unit
Troubleshooting
369
5.6
Indoor Liquid Pipe Thermistor (R2T) Abnormality
Remote
Controller
Display
C4
Method of
Malfunction
Detection
The temperature detected by indoor liquid pipe thermistor (R2T)
Malfunction
Decision
Conditions
When the indoor liquid pipe thermistor becomes disconnected or shorted while the indoor unit is
running.
Supposed
Causes
Defective thermistor
Defective indoor unit PCB
Disconnection of connector
Troubleshooting
Refer to “Thermistor Resistance / Temperature Characteristics” table 2 on page 427.
Connect it correctly.
Replace the thermistor
(R2T).
Replace the indoor
unit PCB.
NO
NO
YES
YES
(R13004)
Disconnect the thermistor
(R2T) from X18A on the
indoor unit PCB and measure
the resistance.
Is the
thermistor normal?
Is it normal?
Check the connection of
connector.
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Содержание Super Multi Plus E-Series FTXG25EV1BW
Страница 1: ...Service Manual E Series SiBE18 821_C Applied Models Super Multi Plus Heat Pump...
Страница 13: ...SiBE18 821_C List of Functions 1 Part 1 List of Functions 1 Functions 2...
Страница 264: ...SA Indoor Unit FFQ FCQ FDBQ FBQ FHQ Series SiBE18 821_C 252 Operation Manual 2 Start 5s 5s 5s 5s 5s End...
Страница 471: ...SiBE18 821_C BP Unit Removal Procedure 459 Step Procedure Points Clamps Q0529...
Страница 491: ...Revision History Date News No Contents 2010 11 9 M 10013 Correction of troubleshooting flowchart AF for SkyAir models...