51
F
AUL
T FINDING F
AUL
T FINDING F
AUL
T FINDING F
AUL
T FINDING F
AUL
T FINDING
Installation and Servicing
SECTION 4 - FAULT FINDING
Code
Fault
Display
Type/Action
1
CH Flow Thermistor Open Circuit
F4
CH Valve to mid-position
2
CH Flow Thermistor Short Circuit
F4
CH Valve to mid-position
3
CH Return Thermistor Open Circuit
F5
Pump Modulation lost
4
CH Return Thermistor Short Circuit
F5
Pump Modulation lost
5
CH Primary Return Thermistor Open/Short
Circuit
F8
Preheat Disabled
7
DHW Thermistor Open Circuit
FC
DHW Valve to closed position
8
DHW Thermistor Short Circuit
FC
DHW Valve to closed position
9
Outside Sensor Open Circuit
F6
Reverts to max flow target
10
Water Pressure Sensor Fault
F1
No CH operation
11
DHW Sensor disconnected from pipe
FC
DHW Valve to closed position
51
Low Water Pressure
F1
No CH operation
63
High Mains Voltage
N/A
N/A
64
Low Mains Voltage
F7
Blocking
65
OpenTherm Plus Fault (comms lost)
Ft
N/A
67
No Water Flow (from pump)
FP
Blocking CH
68
Pump Rotor Blocked
FP
Blocking CH
69
Low Voltage (from pump)
FP
Indication
70
Water Flow < 2l/min (from Pump)
FP
Blocking CH
71
Dry Run (from Pump)
FP
Blocking CH
72
Pump Warning Code
FP
Indication
94
PCB Fault (request for re-update)
F9
Blocking
95
PCB Fault (blocking due to programming
Mode)
F9
Blocking
96
PCB Fault (lockout parameter mismatch)
L9
Lockout
97
PCB Fault (parameter set fault)
F9
Blocking
98
PCB Fault (Internal Blocking Error)
F9
Blocking
99
PCB Fault (internal lockout)
L9
Lockout
No Change detected in DHW or Flow Temp
F2
Blocking
4.3 FAULT CODES - NUMERIC
Содержание i305
Страница 2: ...2 Installation and Servicing...
Страница 4: ...4 Installation and Servicing...
Страница 47: ...THIS PAGE HAS BEEN LEFT INTENTIONALLY BLANK...