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Troubleshooting for RA Indoor Unit
SiBE18-821_C
352
Troubleshooting
4. Troubleshooting for RA Indoor Unit
4.1
Indoor Unit PCB Abnormality
Remote
Controller
Display
A1
Method of
Malfunction
Detection
The system checks if the circuit works properly within the microcomputer of the indoor unit.
Malfunction
Decision
Conditions
The system cannot set the internal settings.
Supposed
Causes
Wrong models interconnected
Defective indoor unit PCB
Disconnection of connector
Troubleshooting
Note:
Check the following connector.
Check the combination of the
indoor and outdoor unit.
OK?
Check the connection of
connectors (See Note.).
Correct the connection.
OK?
Error repeats?
YES
NO
NO
YES
NO
YES
(R11930)
Caution
* To secure the connection,
once disconnect the connector
and then reconnect it.
Match the compatible
models.
Replace the indoor unit
PCB.
Replace the indoor unit
PCB.
Completed.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Model Type
Connector
Wall mounted type
Terminal board ~ Control PCB
Floor standing type
Terminal board ~ Control PCB
Floor / ceiling suspended dual type
S36 ~ S37
Duct connected type
Terminal board ~ Control PCB
Содержание Super Multi Plus E-Series BPMKS967B2B
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...