Daikin FTXR42EV1B9 Especificaciones Pagina 117

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SiBE04-624_B Troubleshooting
Service Diagnosis 107
2.22 Outdoor Unit PCB Abnormality
Error Code
E1
Method of Error
Detection
The system checks if the microprocessor is working in order.
The system checks if the zero-cross signal comes in properly.
Error Decision
Conditions
The microprocessor program runs out of control.
The zero-cross signal is not detected.
Supposed
Causes
Defective outdoor unit PCB
Broken harness between PCBs
Noise
Momentary fall of voltage
Momentary power failure
Troubleshooting
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
NO
YES
YES
(R18126)
YES
NO
NO
Replace the outdoor unit
PCB.
Ground the system.
Zero-cross signal
abnormality.
Replace the outdoor unit
PCB.
Replace the harness.
Check to see if the outdoor unit is
grounded.
Is LED A blinking?
Grounded?
Is the harness
broken?
Turn on the power again.
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