IDEAL HP290 - Fault Codes

13
User Guide
Code ID Description Reference
C7 Inverter Error 9.1.1 on page 94
E0 No Water Flow, through Outdoor Unit, 10 times in succession 9.1.2 on page 95
E1 Live & Neutral reversed 9.1.3 on page 96
E2 No connection Outdoor PCB to User Interface 9.1.4 on page 96
E3 Header Thermistor (T1) Error (for Hybrid/Cascade) 9.1.5 on page 96
E4 DHW Cylinder Thermistor (T5) Error 9.1.6 on page 97
E5 Outdoor Unit, Air to Refrigerant Heat Exchanger Outlet Thermistor (T3) Error 9.1.8 on page 98
E6 Outdoor Sensor within Outdoor Unit (T4) Error 9.1.9 on page 98
E8 No Water Flow, through Outdoor Unit 9.1.9 on page 98
E9
Compressor Refrigerant Return Thermistor (Th) Error (E9)
9.1.10 on page 98
EA Discharge Thermistor (Tp) Error 9.1.11 on page 98
Ed Outdoor Unit, Return Thermistor (Tw_in) Error 9.1.12 on page 99
F1 Inverter Error 9.1.1 on page 94
H0 No connection Outdoor PCB to Indoor PCB 9.1.13 on page 99
H1 No connection Outdoor PCB to Inverter PCB 9.1.14 on page 100
H2
Plate Heat Exchanger Outlet Refrigerant Thermistor (T2) Error 9.1.15 on page 100
H3 Plate Heat Exchanger Inlet Refrigerant Thermistor (T2B) Error 9.1.16 on page 100
H4 Inverter High Current (L1E/L11/L12) 3 times within 60mins 9.1.17 on page 101
H6 Fan Error 9.1.18 on page 101
H7 Mains High Voltage or Low Voltage Error 9.1.19 on page 101
H8 High Pressure Sensor Error 9.1.20 on page 102
H9 Central Heating Zone 2 Thermistor Fault 9.1.7 on page 97
HA Outdoor Unit, Flow Thermistor (Tw_out) Error 9.1.21 on page 102
Hb 󰀨 9.1.22 on page 103
Hd No connection Master Heat Pump to Slave Heat Pump 9.1.23 on page 103
HF Inverter not matched to Outdoor PCB dip switch setting 9.1.24 on page 104
HH 10 Fan Errors in 2 hours 9.1.18 on page 101
P0 Low Pressure Error 9.1.25 on page 104
P1 High Pressure Switch Operated 9.1.26 on page 105
P3 Overcurrent Protection Error 9.1.27 on page 106
P4 Compressor Discharge Temperature High 9.1.28 on page 107
P5 󰀨 9.1.22 on page 103
P21 Low Pressure Sensor Error 9.1.29 on page 107
P27 High Pressure Sensor & Low Pressure Sensor Wiring Reversed 9.1.30 on page 107
Pd Condensing Temperature High 9.1.31 on page 108
PP 󰀨 9.1.22 on page 103
FC1
Outdoor Unit, Air to Refrigerant Heat Exchanger Outlet Thermistor Error 9.1.8 on page 98
- 3-way Valve does not operate 9.1.35 on page 111
- Anti-Legionella does not operate 9.1.36 on page 112
- CH1 Pump does not operate 9.1.37 on page 113
- CH2 Pump does not operate 9.1.38 on page 114
- No CH 9.1.37 on page 113
- No DHW 9.1.35 on page 111
- No Display 9.1.39 on page 115
L11 Inverter High Current 9.1.17 on page 101
L12 Inverter High Current 9.1.17 on page 101
L1E Inverter High Current 9.1.17 on page 101
L2E Inverter High Temperature 9.1.32 on page 109
10. FAULT CODES