Troubleshooting for Outdoor Unit
Si18-525B
374
Troubleshooting
7.9
Malfunction of Discharge Pipe Thermistor (R3T)
Remote
Controller
Display
J3
Applicable
Models
AII outdoor unit models
Method of
Malfunction
Detection
Malfunction is detected from the temperature detected by discharge pipe temperature
thermistor.
Malfunction
Decision
Conditions
When a short circuit or an open circuit in the discharge pipe temperature thermistor is detected.
Supposed
Causes
Defect of thermistor (R3T) for outdoor unit discharge pipe
Defect of outdoor unit PCB (A1P)
Troubleshooting
∗
Refer to thermistor resistance / temperature characteristics table on P398.
(Q0429)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Resistance
is normal when
measured after
disconnecting the thermistor
R3T from the outdoor
unit PCB.
(3.5k
Ω
~
400k
Ω
)
Replace outdoor unit PCB A1P.
Connect the thermistor and turn
on again.
NO
NO
Replace the thermistor (R3T)
YES
YES
Connector
is connected to
outdoor unit
PCB
(A1P).
Содержание D-Series
Страница 1: ...Si18 525B Applied Models Super Multi Plus Cooling only Super Multi Plus Heat Pump D Series ...
Страница 33: ...List of Functions Si18 525B 20 List of Functions ...
Страница 34: ...Si18 525B Specifications 21 Part 2 Specifications 1 Specifications 22 1 1 Cooling Only 22 1 2 Heat Pump 42 ...
Страница 71: ...Specifications Si18 525B 58 Specifications ...
Страница 107: ...Printed Circuit Board Connector Wiring Diagram Si18 525B 94 Printed Circuit Board Connector Wiring Diagram ...
Страница 117: ...Refrigerant Flow for Each Operation Mode Si18 525B 104 Refrigerant Circuit ...
Страница 171: ...Indoor Unit SkyAir Models Si18 525B 158 Function ...
Страница 207: ...Test Operation and Field Setting for RA Indoor Unit Si18 525B 194 Test Operation ...
Страница 336: ...Si18 525B Service Check Function Troubleshooting 323 ...
Страница 443: ...BP Unit Si18 525B 430 Removal Procedure The clamps are to be kept in stock Step Procedure Points Clamps Q0529 ...
Страница 469: ...Wiring Diagrams Si18 525B 456 Appendix ...
Страница 475: ...Si18 525B vi Index ...