92
16.4.2 Communication malfunction between indoor and outdoor units diagnosis and solution
(E1)
For 9K-24K:
Error Code
E1
Malfunction conditions If the indoor unit does not receive feedback from outdoor unit for
110 seconds 4 consecutive times.
Potential causes
●
Wiring mistake
●
Faulty indoor or outdoor PCB
Trouble shooting:
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...