SiE25-110
Troubleshooting Based on Equipment Condition
Troubleshooting
115
3.7
Equipment Operates but does not Provide Heating.
Applicable Model
All models of SkyAir series
Error Detection
Method
Error Generating
Condition
Possible Cause
Excess charge of refrigerant
Air intrudes into refrigerant system
Faulty pressure switch
Faulty magnetic switch for outdoor unit fan motor
Faulty aux. relay for outdoor unit fan motor
Soiled heat exchanger of outdoor unit
There is an interfering item in air flow of outdoor unit
Malfunction of outdoor unit fan
Soiled air filter of indoor unit
Soiled heat exchanger of indoor unit
There is some interfering item in airflow of indoor unit
Malfunction of indoor unit fan
Troubleshooting
Measure the temperature of
suction air and supply air.
Temperature difference =
Suction air temp. – Supply air
temp.
Wait for a while.
No abnormality
No abnormality
Additional unit installation
should be considered
After vacuum drying, charge
correct amount of refrigerant.
Check each item
Check each item
Check each item
Temperature
difference for heating
should be between 14
and 30˚C.
Is the unit
in defrost mode?
Is the operation
current less than specified
level?
Does the
heat load increase after
installation of the
unit?
YES
YES
YES
YES
YES
YES
∗
Incorrect selection of model
∗
Affection of sunlight
∗
Affection of excessive fresh
air into room
Gas shortage possibly
generates trouble.
∗
Clogged air filter
∗
Soiled heat exchanger
∗
Malfunction of indoor fan
motor (Refer error code “A6”)
∗
Refrigerant overcharge
∗
Soiled heat exchanger
∗
Short circuit of discharge air
∗
Disturbing item in air flow
∗
Malfunction of fan motor of
outdoor unit
(Refer error code “E7”, “H7”)
∗
Insufficient compression of
compressor
∗
Insufficient circulation of
refrigerant
∗
Faulty expansion valve
NO
NO
NO
Does indoor
unit air flow
rate down?
NO
Is the level
of high pressure lower
than normal level?
NO
NO
(S1995)
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...