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SiUS39-602
Troubleshooting by Indication on the Remote Controller
Troubleshooting
177
Troubleshooting
(V2821)
Replace K1M.
Repair wiring.
NO
NO
NO
Turn on again.
Replace the outdoor unit
PC board (A1P).
YES
YES
YES
Turn K1M ON.
YES
NO
Is
208 ~ 230 V of
power reaching the
K1M coil?
Is
208 ~ 230 V
at the connector X1A of
inverter PC
board.
Replace the inverter PC
board.
Replace the inverter PC
board.
YES
NO
NO
Does
the voltage
between terminals P
and N gradually rise to 283
VDC (TJU) after
turning
on?
Monitor field power
supply.
Replace the inverter
PC board.
The
voltage
between the P and N
terminals is 190 VDC (TJU)
or morewhen the
compressor is
running.
Is
connection
wire connected
between the connector
X21A and X6A?
YES
NO
Is
208 ~ 230 V
at the connector X1A of
outdoor PC board
side?
Check the transmission
wiring between the
outdoor unit PC board
and inverter unit.
YES
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Summary of Contents for REYQ72
Page 35: ...Specifications SiUS39 602 24 Specifications...
Page 121: ...Field Setting SiUS39 602 110 Test Operation...
Page 129: ...Troubleshooting by Remote Controller SiUS39 602 118 Troubleshooting...
Page 225: ...Troubleshooting OP Unified ON OFF Controller SiUS39 602 214 Troubleshooting...
Page 232: ...SiUS39 602 Piping Diagrams Appendix 221 1 3 BS Unit BSVQ36MVJU BSVQ60MVJU 4D045338...
Page 235: ...Wiring Diagrams for Reference SiUS39 602 224 Appendix REYQ144 168 192MTJU C 3D050354A...
Page 240: ...SiUS39 602 Wiring Diagrams for Reference Appendix 229 2 4 BS Unit BSVQ36M 60MVJU 3D045069A...
Page 249: ...Example of Connection R 410A Type SiUS39 602 238 Appendix...
Page 255: ...Method of Replacing The Inverter s Power Transistors and Diode Modules SiUS39 602 244 Appendix...
Page 265: ...Precautions for New Refrigerant R 410A SiUS39 602 254 Precautions for New Refrigerant R 410A...
Page 269: ...SiUS39 602 iv Index...