Mitsubishi Heavy Industries FDT45KXE6 User Manual

Error code
Remote controller:
7-segment display:
LED Green Red
Indoor
Outdoor
Content
–
361
–
E56
E56-1, 2 *1
Power transitor temperature
thermistor anomaly (Tho-P1, Tho-P2)
Keeps flashing Stays Off
Keeps flashing Stays Off*1
1. Applicable model
5. Troubleshooting
KXE6 multi outdoor unit
Diagnosis Countermeasure
Is
connection of
thermistor connector
OK?
Are the
characteristics of
thermistor OK?
* Check several times the temperature-resistance characteristics
of thermistor to find out any poor connection.
Temperature-resistance characteristics of
power transistor temperature thermistor
Save data for 30 minutes before stopping in Mente PC
YES
NO
NO
YES
Temperature [T](°C)
Power transistor thermistor resistance
Power transistor thermistor resistance
Check and save the data of
operating condition.
Check the conditions
whether it occurs
immediately after the
power on or during
operation or stopping.
Check the sensor value as
well.
Insert the connector firmly
Replace power transistor
temperature thermistor
(Tho-P1, P2).
Replace outdoor control
PCB.
2. Error detection method
Detection of anomalously low
temperature (resistance) of
power transistor temperature
sensor
3 . Condition of error displayed
If -10°C or lower is detected for
5 seconds within 10-minutes
to 10-minutes 20-seconds after
the compressor ON and if this
anomaly occurs 3 times within
40 minutes after the initial
detection.
4. Presumable cause
• Disconnection of the
thermistor harness or the
internal wire of sensing part
(Check the molded part)
• Disconnection of the
thermistor connector
• Defective outdoor control
PCB
Note:
*1 E56-1/1 time flash:Tho-P1 anomaly, E56-2/2 times flash: Tho-P2 anomaly

Mitsubishi Heavy Industries FDT45KXE6 Specifications

General

Brand	Mitsubishi Heavy Industries
Model	FDT45KXE6
Category	Air Conditioner
Language	English