42
9.3.9 Over voltage or too low voltage protection diagnosis and solution(P1)
Error Code
P1
Malfunction decision
conditions
An abnormal voltage rise or drop is detected by checking the
specified voltage detection circuit.
Supposed causes
●
Power supply problems.
●
System leakage or block
●
PCB faulty
Trouble shooting:
Remark:
Measure the DC voltage
between P and N port. The
normal value should be
around 310V.
P
N
Содержание WYC009AMFI20
Страница 7: ...5 2 2 Part names of Indoor Outdoor units ...
Страница 9: ...7 L mm R mm H mm Dimension of installation hole mm 100 mm 3 9in 95 mm 3 7in 45 mm 1 8in 65 mm 2 6in ...
Страница 13: ...11 5 Printed Circuit Board Connector Wiring Diagram of Outdoor unit ...
Страница 34: ...32 9 3 3 Zero crossing detection error diagnosis and solution E2 ...
Страница 42: ...40 P W N U ...
Страница 43: ...41 N V N W ...