Troubleshooting Based on Equipment Condition
SiE25-110
112
Troubleshooting
3.5
After Equipment Shuts Down, It cannot be Restarted for
a While.
Applicable Model
All models of SkyAir series
Error Detection
Method
Error Generating
Condition
Possible Cause
Overcurrent relay (for compressor)
Compressor protection thermostat
Overcurrent relay may act due to the following reasons
Lower voltage of power supply
Excess level of high pressure
Insufficient size of power cable
Malfunction of compressor
Compressor protection thermostat may act due to the following reasons
Internal leakage of four-way valve (There is no difference between suction and discharge
temperature)
Insufficient compression of compressor
Incorrect refrigerant
Faulty expansion valve
Insufficient circulation of refrigerant
Troubleshooting
Normal. Unit is in 3-min
standby mode
Contact power company
Check compressor
Replace power cable
Expansion valve
malfunction
Four-way valve malfunction
Check compressor
Turn the operation switch ON
and OFF, then wait at ON
side.
After vacuum drying, charge
correct amount of refrigerant.
Then, start operation again.
NO
YES
YES
YES
Malfunction of compressor
YES
YES
Is the
discharge side of
compressor hot after unit
stop?
Is there any
temperature difference
between inlet and outlet
of expansion
valve?
Is
there any
temperature difference
between suction side and
discharge side of
four-way
valve?
Power
supply voltage is within
±10 % of specified
voltage.
Is the
size of power cable
through total length
correct?
Does the unit
start operation after
3 minutes?
NO
NO
NO
NO
YES
[Electric system]
[Refrigerant circuit]
Not so hot
NO
(S1993)
Check on the cause why
overcurrent relay (for
compressor) or compressor
protection thermostat acted.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Summary of Contents for SkyAir Super Inverter 70 D Series
Page 11: ...SiE25 110 2...
Page 15: ...Model Name and Power Supply SiE25 110 6 Model Name and Power Supply...
Page 16: ...SiE25 110 Functions 7 Part 2 Functions 1 List of Functions 8 1 1 Functions 8...
Page 31: ...Specifications SiE25 110 22 Specifications...
Page 35: ...Wired Remote Controller SiE25 110 26 Remote Controller 1 2 Installation...
Page 36: ...SiE25 110 Wired Remote Controller Remote Controller 27...
Page 39: ...Wireless Remote Controller SiE25 110 30 Remote Controller...
Page 63: ...Settings Concerning Maintenance SiE25 110 54 Field Setting FUYP...
Page 64: ...SiE25 110 Settings Concerning Maintenance Field Setting 55 FHYP...
Page 65: ...Settings Concerning Maintenance SiE25 110 56 Field Setting FAYP...
Page 67: ...Settings Concerning Maintenance SiE25 110 58 Field Setting RZP100 125DV1 E RZP100DVAL E...
Page 68: ...SiE25 110 Settings Concerning Maintenance Field Setting 59 RZP125 140DTAL...
Page 107: ...Operation Range SiE25 110 98 Function and Operation 5 Operation Range 5 1 Operation Limits...
Page 133: ...Procedure of Self Diagnosis by Remote Controller SiE25 110 124 Troubleshooting...
Page 238: ...SiE25 110 Piping Diagrams Appendix 229 1 2 Twin System RZP100D RZP125D 3D034162...
Page 241: ...Wiring Diagrams SiE25 110 232 Appendix FUYP71BV1 FUYP100BV1 FUYP125BV1 3D027747...
Page 242: ...SiE25 110 Wiring Diagrams Appendix 233 FAYP71BV1 FAYP100BV1 3D027748...
Page 243: ...Wiring Diagrams SiE25 110 234 Appendix 2 2 Outdoor Units 2 2 1 50Hz RZP71DV1 3D032604...
Page 244: ...SiE25 110 Wiring Diagrams Appendix 235 RZP100DV1 RZP125DV1 3D032603...
Page 245: ...Wiring Diagrams SiE25 110 236 Appendix 2 2 2 60Hz RZP71DVAL 3D032880B...
Page 246: ...SiE25 110 Wiring Diagrams Appendix 237 RZP100DVAL 3D032881B...
Page 247: ...Wiring Diagrams SiE25 110 238 Appendix RZP125DTAL RZP140DTAL 3D032882B...
Page 251: ...SiE25 110 iv Index...