Daikin REYQ8-48PY1B - 3.31 “J5” Outdoor Unit: Malfunction of Thermistor (R8 T or R10 T) for Suction Pipe

SiBE37-701_B Troubleshooting by Indication on the Remote Controller
Troubleshooting 298
3.23
“
F3
”
Outdoor Unit: Abnormal Discharge Pipe
Temperature
Remote
Controller
Display
F3
Applicable
Models
REYQ8P~48P
Method of
Malfunction
Detection
Abnormality is detected according to the temperature detected by the discharge pipe
temperature sensor.
Malfunction
Decision
Conditions
When the discharge pipe temperature rises to an abnormally high level (135 °C and above)
When the discharge pipe temperature rises suddenly (120 °C and above for 10 successive
minutes)
Supposed
Causes

Faulty discharge pipe temperature sensor

Faulty connection of discharge pipe temperature sensor

Faulty outdoor unit PCB