Strebel S-FX 125, Installation Operating & Maintenance Manual

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65
16.1.2 T
EMPORARY
F
AULTS
–
F C
ODES
(A
UTOMATICALLY
R
ESET
)
Fault
Code Fault Description Possible Causes Cure
Flue Sensor Partially Blocked Exhaust Flue. Check flue for partial blockages.
F7 Tripped on Incorrect Combustion. Check combustion on high/low fire.
High Temperature Flue Gas Sensor Fault. Check the flue gas sensor.
Flow Sensor Damaged.
F10 Flow Sensor 1 Flow Sensor Wiring Damaged. Check flow sensor & wiring, replace if faulty.
Fault Flow Sensor Wiring Disconnected.
Return Sensor Damaged.
F11 Return Sensor Return Sensor Wiring Damaged.
Check return sensor & wiring, replace if
faulty.
Fault
Return Sensor Wiring
Disconnected.
DHW Sensor Damaged.
F12 DHW Sensor DHW Sensor Wiring Damaged. Check DHW sensor & wiring, replace if faulty
Fault DHW Sensor Wiring Disconnected.
Flue Sensor Damaged
F13 Flue Sensor Flue Sensor Wiring Damaged Check flue sensor & wiring, replace if faulty.
Fault Flue Sensor Wiring Disconnected
Flue Sensor Damaged
F14 Flow Sensor 2 Flue Sensor Wiring Damaged Check flue sensor & wiring, replace if faulty.
Fault Flue Sensor Wiring Disconnected
No 230v Power Supply Check the 3-pin plug on the fan.
F15 Fan Fault No Tacho Signal Check the 5-pin plug on the fan.
Fan Damaged Replace fan.
Reset button on
Reset Button on Controller Fitted
on
Check the reset button and replace the
F26 Controller on Gas Gas Valve is Blocked or Faulty controller on the gas valve if necessary
Valve Fault
F34 Supply Voltage Supply Voltage is Under 170 Volts Check the mains supply voltage
Fault
F35 Supply Frequency
Supply Frequency is Incorrect and
not
Check the mains supply frequency
Fault 50Hz
F37 Water Pressure Low System Water Pressure Check water system pressure
Switch Open
F39 Outside Sensor or Wiring Fault Check wiring, replace outside sensor
Sensor Fault No Outside Temperature Reading Check boiler controller settings
Cascade Sensor Damaged
F50 Temperature Wiring Shorted Check sensor & wiring, replace if faulty
Sensor Fault Wiring Disconnected
F52 Heating Sensor Heating Sensor Damaged Replace the sensor
F66 Controller Fault Controller Internal Error Check earth connection, replace controller.
No Comm
F99
between
Controller Wiring Disconnected Check the wiring of the 6 wires between
and Display controller and display