SiUS092230EA
Troubleshooting for Outdoor Unit
Part 6 Service Diagnosis
167
Reference
Reference
7.5 Compressor
Lock
Error Code
E6
Method of Error
Detection
A compressor lock is detected by the current waveform generated when applying high-frequency
voltage to the motor.
Error Decision
Conditions
If the error repeats, the system is shut down.
Reset condition: Continuous run for about 11 minutes without any other error
Supposed
Causes
Closed stop valve
Compressor locked
Disconnection of compressor harness
Troubleshooting
Check No.12
Check No.15
Turn off the power. Disconnect the
harnesses U, V, and W.
(R21067)
Caution
NO
YES
YES
NO
NO
YES
NO
YES
Check No.15
Check with the inverter analyzer.
Turn off the power and reconnect
the harnesses. Turn on the power
again and restart the system.
(Precaution before turning on the power again)
Make sure the power has been off for at least 30 seconds.
Correct the power supply or
replace the outdoor unit
PCB (main PCB).
Open the stop valve.
∗
Inverter analyzer:
RSUK0917C
Replace the compressor.
Replace the compressor.
Check the electronic
expansion valve coil.
Go to
Check No. 12.
Any LED off?
Stop valve
closed?
Emergency stop
without compressor running?
System shut
down after errors repeated
several times?
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Summary of Contents for RX-W Series
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Page 207: ...SiUS092230EA Check Part 6 Service Diagnosis 201 15 18 24 class R25105 1 2 3 4 Multimeter ...
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Page 239: ...SiUS092230EA Piping Diagrams Part 8 Appendix 233 RX24WMVJU9 3D141502 ...