5-11
5
E16 Automatic Address Alarm (The total capacity of indoor units is too high.)
Error Detection Method
Error Diagnosis
It is judged an error the total capacity of indoor units is too high or the total number of indoor units is too many.
1.
2.
1
The total capacity of indoor units is too high.
The total number of indoor units is too many.
Check all items under the section “Check Prior to Auto Address Setting”.
1-1
Auto
Address
F04 Compressor Discharge Temperature Sensor (TD) Trouble
Error Detection Method
Error Diagnosis
It is judged an error based on the criteria listed below.
Open circuit or Short circuit
1.
2.
Sensor connector is connected to PC board properly.
1-1
Sensor is correctly installed at holder side.
1-2
1-2
Reconnect and check.
Replace sensor.
Correct and see what
happens.
1-3
Yes
No
1 Sensor
2 PC board
3 Operating
status
Yes
No
Resistance between connector pins on PC board is less than
1 k ohm.
2-1
Replace PC board.
2-2
Yes
No
Peripheral temperature of outdoor unit is over 46°C.
3-1
Check noise.
3-3
Correct
3-2
Yes
No
Tends to have insufficient refrigerant charge in the system.
3-2
Adjust the amount
of refrigerant.
3-3
Yes
No
Abnormal temperature exists even after replacing PC board.
2-2
3-1
See what happens.
Yes
No
Abnormal temperature exists even after replacing sensor.
1-3
2-1
See what happens.
Yes
No
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