103
16.4.8 Over-voltage or under-voltage protection diagnosis and solution (P1)
Error Code
P1
Malfunction conditions
Abnormal increases or decreases in voltage are detected by
checking the specified voltage detection circuit.
Potential causes
●
Power supply issues
●
System leakage or blockage
●
Faulty PCB
Trouble shooting:
Remark:
Measure the DC voltage
between P and N port.
The normal value should
be around 310V.340V or
380V
Summary of Contents for HP Series
Page 8: ...5 2 2 Part names of Indoor Outdoor units Cassette Units...
Page 9: ...6...
Page 10: ...7 Ceiling floor Units...
Page 14: ...11 2 3 2 7 Outside Water Pump for Optional When Ceiling Installation...
Page 24: ...21 Ceiling floor Units...
Page 28: ...25 YFKE18BXTMCM RX YFJE18BXTMCM RX YFKE24BXTMCM RX YFJE24BXTMCM RX...
Page 43: ...40 6 2 Outdoor Unit YUKE18BYTMCMO X YUJE18BYTMCMO X YUKE24BYTMCMO X YUJE24BYTMCMO X...
Page 44: ...41 YUKE12BYTMCMO X YUJE12BYTMCMO X...
Page 57: ...54 12 Field Wiring 9K 24K...
Page 104: ...101 P U P V...
Page 105: ...102 P W P N...
Page 108: ...105 High temperature protection of IPM board diagnosis and solution P2...
Page 115: ...112 16 4 16 J4 Malfunction...
Page 119: ...116...