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SiUS041111
Troubleshooting
Service Diagnosis
109
Troubleshooting
Check No.17
Refer to P.123
Check No.19
Refer to P.124
Note:
Refer to “Application of silicon grease to a power transistor and a diode bridge” on page 228 for
detail.
(R14672)
Caution
NO
Slightly dirty
NG
Too dirty
OK
NO
YES
NO
YES
YES
Turn off the power and turn it on
again
to start the system.
Check the radiation fin
temperature.
Above A?
Check No. 17
Check the installation condition.
Check if the silicon grease
applied properly on the
radiation fin. If not, apply it
(
∗
). (See Note.)
Replace the outdoor unit
PCB.
Replace the fan motor.
Correct the connectors and
fan motor leads.
Replace the outdoor unit
PCB.
Clean up the radiation fin.
∗
Silicon grease
Part No.: 1
172698
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Error displayed again?
Has PCB been replaced?
Check No. 19
Check the outdoor fan or
related.
Radiation fin dirty?
09/12 class
15/18/24 class
A
99°C (210.2°F)
85°C (185°F)
Содержание FTXN09KEVJU
Страница 9: ...SiUS041111 List of Functions 1 Part 1 List of Functions 1 Functions 2...
Страница 12: ...SiUS041111 4 Specifications Part 2 Specifications 1 Specifications 5 1 1 Cooling Only 5 1 2 Heat Pump 8...
Страница 139: ...SiUS041111 Indoor Unit 09 12 Class Removal Procedure 131 5 Remove the horizontal blade Step Procedure Points R11626...
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