Sea Breeze SHE9H4ZIGB Service Manual page 4

9.1.3 "FAN" Mode ....................................................................................................................................................... 35
9.1.4 "HEAT" Mode ..................................................................................................................................................... 36
9.2 Protection Features ................................................................................................................................................... 37
9.2.1 Mode Conflict
9.2.2 Overload Protection ("E8") ................................................................................................................................ 37
9.2.3 Compressor Overload Protection ("H3") ........................................................................................................... 37
9.2.4 Communication Malfunction ("E6") ................................................................................................................... 37
9.2.5 Intelligent Power Module (IPM) Protection ("H5") ............................................................................................ 37
9.2.6 High Pressure Protection ("E1") ......................................................................................................................... 37
9.2.7 Compressor Phase Protection ("Ld") ................................................................................................................. 38
9.2.8 Exhaust Protection (Temperature Overheat) ("E4") .......................................................................................... 38
9.2.9 Anti-freezing Protection (for Quad / Five port units) ("E2") .............................................................................. 38
9.2.10 Over Current Protection ("E5") ........................................................................................................................ 38
10. Error codes .................................................................................................................................................................... 39
10.1 Error Codes on Indoor unit panel ............................................................................................................................ 39
10.2 Flash codes on the PC board of outdoor unit ......................................................................................................... 40
10.2.1 Dual/Triple Ports .............................................................................................................................................. 40
10.2.1.1 Error Code Label on SMZ18H422ZOGB (Dual Port) and SMZ24H421ZOGB (Triple Port) ............................. 40
10.2.2 Quad / Five Ports .............................................................................................................................................. 41
10.2.2.1 PCB Top View ................................................................................................................................................ 41
10.2.2.2 Error Code Label on SMZ30H421ZOGB (Quad Port) and SMZ42H421ZOGB (Five Port) ............................... 42
11. Troubleshooting ............................................................................................................................................................ 43
11.1 C5: Jumper Failure ................................................................................................................................................... 45
11.2 E1: High Pressure Protection ................................................................................................................................... 46
11.3 E2: Anti-Freezing Protection ................................................................................................................................... 47
11.4 E3: Low Pressure Protection ................................................................................................................................... 48
11.5 E4: Exhaust Protection ............................................................................................................................................ 49
11.6 E5: Over-Current Protection ................................................................................................................................... 49
11.7 E6: Communication Malfunction ............................................................................................................................ 50
11.8 E8: Overload Protection .......................................................................................................................................... 52
11.9 E9: Condensate Water Full in Indoor Unit .............................................................................................................. 52
11.10 F1/F2/F3/F4/F5: Temperature Sensor Failure ...................................................................................................... 53
11.10.1 F1/F3: Ambient Sensor for Indoor and Outdoor ............................................................................................ 53
11.10.2 F2/F4: Tube Sensor for Indoor and Outdoor .................................................................................................. 54
11.10.3 F5: Exhaust Sensor Failure ............................................................................................................................. 54
11.11 H3: Compressor Overload Protection ................................................................................................................... 55
("E7") ................................................................................................................................... 37
3