Mitsubishi FDCVA302HENR User Manual

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109
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3
[Cooling overload operation]
Indoor unit
Red LED
Green LED
Stays OFF
Keeps flashing
Red LED
Green LED
1 time flash
Keeps flashing
Outdoor unit
Are the
characteristics of
the outdoor heat exchanger
thermistor
normal?
NO
NO
Replace the outdoor heat
exchanger thermistor.
Is the unit normal?
Check the unit side.
Error stop
Return
Outdoor heat exchanger temp. (˚C)
YES
The outdoor control PCB
is faulty. Replace
Is there cooling overload
operation?
Is high pressure control
normal?
Abnormal temperature detection
Is it (the actual measurement) correct?
NO
51 65
Abnormal temperature detection
• Is there a short circuit in the outdoor unit?
• Is the installation space proper?
• Is the refrigerant level too high?
• Is the heat exchanger dirty or clogged?
When the following conditions exist, the compressor’s speed is controlled.
• If the compressor’s speed exceeds the speed in the following
table, the upper limit value is controlled according to the outdoor
heat exchanger temperature (Tho-R1) during operation.
● Display Conditions
If the outdoor heat exchanger is abnormal 5
times within 60 minutes, or is 65ºC or higher
continuously for 60 minutes, including when
the compressor is stopped.
Temperature (˚C)
15
10
5
010 304020 50
5kΩ at 25˚C
Outdoor unit heat exchanger
thermistor (Tho-R)
Resistance temperature characteristics
Thermistor resistance
(kΩ)
302 series
20
52~58
Item
Compressor Speed (rps)
Outdoor heat exchanger temperature (˚C)
Model
Error display :
e35

Mitsubishi FDCVA302HENR Specifications

General

Brand	Mitsubishi
Model	FDCVA302HENR
Category	Air Conditioner
Language	English