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Troubleshooting
SiE12-411
196
Service Diagnosis
5.21 Radiation Fin Temperature Rise
Remote
Controller
Display
L4
Outdoor Unit LED
Display
A
5
1
1
2
1
3
1
4
4
Method of
Malfunction
Detection
A radiation fin temperature rise is detected by checking the radiation fin temperature being
detected by the fin thermistor with the compressor on.
Malfunction
Decision
Conditions
If the radiation fin temperature with the compressor on is above 90°C for 5.2~7.5 kW-or-smaller
class systems or above 85°C for 8.0 · 9.0 kW class systems,
"
If a radiation fin temperature rise takes place 4 times successively, the system will be shut
down.
"
The error counter will reset itself if this or any other error does not occur during the following
60-minute compressor running time (total time).
Supposed
Causes
"
Fin temperature rise due to defective outdoor unit fan
"
Fin temperature rise due to short-circuit
"
Fin thermistor defective
"
Connector in poor contact
"
Outdoor unit PCB defective
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...