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Symptom-based Troubleshooting
SiUS281811EA
200
Part 6 Service Diagnosis
2. Symptom-based Troubleshooting
2.1 Indoor
Unit
Overall
Symptom
Supposed Cause
Countermeasure
1
The system does not start operation at all.
Blowout of fuse(s)
Turn OFF the power supply and
then replace the fuse(s).
Cutout of breaker(s)
• If the knob of any breaker is in
its OFF position, turn ON the
power supply.
• If the knob of any circuit
breaker is in its tripped position,
do not turn ON the power
supply.
Power failure
After the power failure is reset,
restart the system.
The connector loose or not fully
plugged in
Turn off the power supply to
verify the connection of the
connector.
2
The system starts operation but makes an
immediate stop.
Blocked air inlet or outlet of
indoor or outdoor unit
Remove obstacle(s).
Clogged air filter(s)
Clean the air filter(s).
3
The system does not cool or heat air well.
Blocked air inlet or outlet of
indoor or outdoor unit
Remove obstacle(s).
Clogged air filter(s)
Clean the air filter(s).
Enclosed outdoor unit(s)
Remove the enclosure.
Improper set temperature
Set the temperature to a proper
degree.
Airflow rate set to LOW
Set it to a proper airflow rate.
Improper direction of air
diffusion
Set it to a proper direction.
Open window(s) or door(s)
Shut it tightly.
In cooling
Direct sunlight received
Hang curtains or shades on
windows.
In cooling
Too many persons staying in a
room
The model must be selected to
match the air conditioning load.
In cooling
Too many heat sources (e.g.
OA equipment) located in a
room
ON
OFF
Knob
Tripped
Circuit breaker
Summary of Contents for SkyAir RZR-TA Series
Page 1: ...Service Manual Cooling Only 60 Hz Heat Pump 60 Hz RZR TA RZQ TA Series SiUS281811EA...
Page 202: ...SiUS281811EA 196 Part 6 Service Diagnosis 5 15 Fan Motor Connector Check for FTQ TA 311...
Page 323: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 317 RZR18 24TAVJUA RZQ18 24TAVJUA 3D124495...
Page 327: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 321 FHQ18 24 30PVJU FHQ36 42MVJU 3D048116C...
Page 328: ...Wiring Diagrams SiUS281811EA 322 Part 7 Appendix FAQ18 24TAVJU 3D114844B...
Page 329: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 323 FBQ18 24 30 36 42 48PVJU 3D065984J...