Interrupt Due To Ol Action - Daikin FTK25JVE9 Service Manual

Si04-115

5.16 Interrupt due to OL Action

E5
Remote
Controller
Display
Outdoor unit LED A
Display
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Method of
Malfunction
Detection
Malfunction If an OL action signal has come to the microcomputer.
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Decision
Conditions
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Supposed
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Causes
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Service Diagnosis
5
OL action detected by the opening of OL contact.
OL action detected twice, resulting in a shutdown of the system.
(The dual-action counter will reset itself if any of the following troubles does not occur for a
total one operating hour of the compressor since the interruption: OL failure, radiation fin
temperature rise, gas shortage, or compressor failure to start.
OL setting : Open at 130±3°C
Closed at 95±10°C
OL action because of refrigerant shortage
OL action because of 4-way valve failure
Error detection due to an opening of OL contact
Error detection due to connector in poor contact
Error detection due to broken OL harness
Error detection due to outdoor-unit PC board failure
OL action because of mixture of tap water in the field
Trouble shooting
83