Panasonic E3 - Page 236

5-11
5
E16 Automatic Address Alarm (The total capacity of indoor units is too high.)
Error Diagnosis
1. Error Detection Method
It is judged an error the total capacity of indoor units is too high or the total number of indoor units is too many.
2.
1 Indoor
unit control
PC board
•
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”.
2-1
Return the detailed setting item to the factory setting.1-1
2 Auto
Address
F04 Compressor Discharge Temperature Sensor (TD) Trouble
Error Diagnosis
Error Detection Method
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
Yes
No
Correct and see what
happens.
1-3
1
Sensor
2
PC board
status
3
Operating
Yes
No
12-
Replace PC board
Resistance between connector Pins on PC board is less than
1 k ohm
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
See what happens.
2-1Yes
No
2
Correct the setting
Run the auto address
Yes
No
Factory setting
Item code Item Value
11 0
99
99
99
Indoor unit capacity
Indoor unit address
Group conrol address
System address
12
13
14
SM830281-00_欧州向け R32シングル TD＆SM.indb 11 20/01/09 15:05:13