SiBE121135
Troubleshooting for SA Indoor Unit - FCQG, FFQ, FHQ, FDBQ, FBQ Series
Service Diagnosis
289
6.4
Swing Motor Lock (FHQ Series Only)
Remote
Controller
Display
A7
Method of
Malfunction
Detection
The error is detected by the limit switch when the motor turns.
Malfunction
Decision
Conditions
When the ON/OFF micro-switch for position detection cannot be reversed even though the
swing motor is energized for a specified amount of time (about 30 seconds).
Supposed
Causes
Defective swing motor
Defective micro-switch
Disconnection of connector
Defective indoor unit PCB
Troubleshooting
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Connect the connectors
correctly.
Replace the indoor unit
PCB.
Replace the swing
motor.
(R17251)
NO
Replace the indoor unit
PCB.
YES
YES
NO
Connect the connector
correctly.
NO
YES
Does the swing motor
swing?
Are the
connectors
correctly connected to X29A
and X14A on the
PCB?
Is the relay
connector of the limit
switch correctly
connected?
YES
YES
Turn the power supply off once
and back on. Check whether the
swing motor swings when the
power supply is turned back on.
Turn the power supply off once
and back on. Measure the output
voltage of connector X29A when
the power supply is turned back
on.
Disconnect X14A, turn the power
supply off once and back on.
Check if the limit switch has
continuity when the power supply
is turned back on.
NO
NO
220 ~ 240 VAC?
Does continuity/
no continuity reverse?
Содержание 3MXS40K2V1B
Страница 187: ...SiBE121135 RA Indoor Unit Operation Manual 175 2 1 17 Quick Reference FTXG25 35 50JV1BW A Quick Reference ...
Страница 188: ...RA Indoor Unit SiBE121135 176 Operation Manual FTXS20 25K2V1B CTXS15 35K2V1B Quick Reference ...
Страница 189: ...SiBE121135 RA Indoor Unit Operation Manual 177 FVXG25 35 50K2V1B Quick Reference ...
Страница 246: ...SA Indoor Unit SiBE121135 234 Operation Manual 2 Start 5s 5s 5s 5s 5s End ...
Страница 413: ...SiBE121135 Outdoor Unit 80 90 Class Removal Procedure 401 7 Remove the sound blanket inner Step Procedure Points R10439 ...