Radiation Fin Temperature Rise - Daikin FTKS20D3VMW Service Manual

SiENBE12-713

5.23 Radiation Fin Temperature Rise

L4
Remote Control
Display
Outdoor Unit LED
A
Display
Method of A radiation fin temperature rise is detected by checking the radiation fin temperature being
Malfunction detected by the fin thermistor with the compressor on.
Detection
" The radiation fin temperature with the compressor on is above 103°C.
Malfunction
" The error is cleared when the temperature drops below 95°C.
Decision
" If a radiation fin temperature rise takes place 255 times successively, the system will be shut
Conditions
" The error counter will reset itself if this or any other error does not occur during the following
" Fin temperature rise due to defective outdoor unit fan
Supposed
" Fin temperature rise due to short-circuit
Causes
" Fin thermistor defective
" Connector in poor contact
" Outdoor unit PCB defective
Service Diagnosis
5 1 1 2 1 3 1 4
down.
60-minute compressor running time (total time).
4
Troubleshooting
267