Check
SiEN12-710A
152
Service Diagnosis
5.1.10 Inverter Units Refrigerant System Check
Check No.11
5.1.11 Capacitor Voltage Check
Check No.12
Before this checking, be sure to check the main circuit for short-circuit.
"
Checking the capacitor voltage
!
With the circuit breaker still on, measure the voltage according to the drawing. Be careful
never to touch any live parts.
Is any
moisture found in sight
glass?
Is the
discharge
thermister disconnected
from the
ho
Is the
temperature of
the four way valve suction
pipe abnormaly
high?
Refrigerant system check
Check for gas leaks.
See the section on insufficient gas
detection.
Conduct the check after operating the
equipment for a sufficient length of time.
(R7160)
YES
YES
YES
NO
NO
NO
Correct the problem.
Conduct vacuum drying.
Replace the refrigerant.
Four way valve defective.
Replace the four way valve.
DB1
LED A
LED5
S90
Thermistor
lead wire
S70
Fan motor
lead wire
S80
Four way valve
lead wire
S20
Electronic
expansion
valve coil
Multi meter
(DC. voltage
range)
(R6027)
Содержание 2MKS40FV1B
Страница 11: ...Introduction SiEN12 710A x ...
Страница 12: ...SiEN12 710A List of Functions 1 Part 1 List of Functions 1 Cooling Only 2 2 Heat Pump 4 ...
Страница 17: ...Heat Pump SiEN12 710A 6 List of Functions ...
Страница 25: ...Heat Pump SiEN12 710A 14 Specifications ...
Страница 33: ...Printed Circuit Board Connector Wiring Diagram SiEN12 710A 22 Printed Circuit Board Connector Wiring Diagram ...
Страница 75: ...Instruction SiEN12 710A 64 Operation Manual 2 3 Names of Parts FTKS 25 35 D FTXS 25 35 E Indoor unit ...
Страница 111: ...Instruction SiEN12 710A 100 Operation Manual ...
Страница 199: ...Wiring Diagrams SiEN12 710A 188 Appendix ...
Страница 203: ...SiEN12 710A iv Index ...