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Troubleshooting
SiE12-411
184
Service Diagnosis
5.14 Input Over Current Detection
Remote
Controller
Display
E8
Outdoor Unit LED
Display
A
5
1
1
2
4
3
1
4
4
Method of
Malfunction
Detection
An input over-current is detected by checking the input current value being detected by CT with
the compressor running.
Malfunction
Decision
Conditions
"
The following CT input with the compressor running continues for 2.5 seconds.
CT input : Above 20 A
"
The system will be shut down if the error occurs 16 times.
"
Clearing condition : Continuous run for about 5 minutes (normal)
Supposed
Causes
"
Over-current due to compressor failure
"
Over-current due to defective power transistor
"
Over-current due to defective inverter main circuit electrolytic capacitor
"
Over-current due to defective outdoor unit PCB
"
Error detection due to outdoor unit PCB
"
Over-current due to short-circuit
Summary of Contents for Super Multi NX C-Series
Page 6: ...SiE12 411 Table of Contents v Index i Drawings Flow Charts v...
Page 7: ...SiE12 411 vi Table of Contents...
Page 67: ...Specifications SiE12 411 56 Specifications...
Page 171: ...Instruction SiE12 411 160 System Configuration...
Page 225: ...Check SiE12 411 214 Service Diagnosis...
Page 295: ...SiE12 411 iv Index...