Radiation Fin Temperature Rise - Daikin SUPER MULTI NX CTXS07JVJU Service Manual

SiUS12-928_B

6.19 Radiation Fin Temperature Rise

L4
Remote
Controller
Display
j
Outdoor Unit LED A
Display
Method of
A radiation fin temperature rise is detected by checking the radiation fin temperature with the
Malfunction compressor on.
Detection
 The radiation fin temperature with the compressor on is above
Malfunction
 The error is cleared when the temperature drops below
Decision
Conditions
18 class
24/32 class
 If the error repeats, the system is shut down.
 Reset condition: Continuous run for about 60 minutes without any other error
 Defective outdoor fan motor
Supposed
 Short circuit
Causes
 Defective radiation fin thermistor
 Disconnection of connector
 Defective outdoor unit PCB
 Silicon grease is not applied properly on the radiation fin after replacing the outdoor unit PCB.
Service Diagnosis
h h h i
1 2 3 4
A
194°F (90°C)
221°F (105°C)
B.
B
185°F (85°C)
206.6°F (97°C)
Troubleshooting for Outdoor Unit
.
A
186