Daikin 4MXL-T Series User Manual

SiUS121827E Troubleshooting for Outdoor Unit
Part 6 Service Diagnosis 217
7.13 High Pressure Control in Cooling
Error Code F6
Outdoor Unit LED
Display
A j 1 i 2 h 3 i 4 i 5 h
Method of Error
Detection
High pressure control (operation halt, frequency drop, etc.) is activated in cooling operation if the
temperature sensed by the outdoor heat exchanger thermistor exceeds the limit.
Error Decision
Conditions
 The temperature sensed by the outdoor heat exchanger thermistor rises above about 62.5°C
(144.5°F).
 The error is cleared when the temperature drops below about 49.5°C (121.1°F).
Supposed
Causes
 The installation space not large enough
 Dirty outdoor heat exchanger
 Defective outdoor fan motor
 Defective stop valve
 Defective electronic expansion valve or coil
 Defective outdoor heat exchanger thermistor
 Defective outdoor unit PCB

Daikin 4MXL-T Series Specifications

General

Brand	Daikin
Model	4MXL-T Series
Category	Air Conditioner
Language	English