Check
Si12-411A
208
Service Diagnosis
6.1.4
Four Way Valve Performance Check
Check No.5
Turn off the power and turn it on
again.
Start the heating-mode run.
Replace the outdoor unit
PCB.
Replace the four way valve
coil.
Replace the four way valve.
(R2856)
NO
∗
Four way valve coil
Cooling / dry : No continuity
Heating : Continuity
YES
YES
Four way valve
coil resistance at
1500 ohms?
NO
S80 voltage
at DC 180-220 V with
compressor on?
(Fig. 1)
Disconnect the four way valve coil
from the connector and check the
continuity.
(Fig. 1)
Voltage at S80
DC180-220V
ON
Compressor
Time
Summary of Contents for FTKE25BVM
Page 1: ...C Series Applied Models zInverter Multi Cooling Only zInverter Multi Heat Pump Si12 411A...
Page 6: ...Si12 411A Table of Contents v Index i Drawings Flow Charts v...
Page 7: ...Si12 411A vi Table of Contents...
Page 67: ...Specifications Si12 411A 56 Specifications...
Page 173: ...Instruction Si12 411A 162 System Configuration...
Page 227: ...Check Si12 411A 216 Service Diagnosis...
Page 295: ...Si12 411A iv Index...
Page 298: ...Si12 411A Printed in Singapore 03 2005 AK COS...
