Filter
Top Products
is
Release R.1.3 UK 78
Warning
Maintenance may only be performed by a qualified service and maintenance engineer.
F05 (lock out error)
Too many flame errors
have been signalled.
Incorrect roof or wall
terminal.
Recirculating flue
gases.
1. Check that the correct roof or wall terminal has been fitted. See
’3.9 Air supply and flue gas discharge’.
2. If necessary, install the correct roof or wall terminal.
3. Check that the roof or wall terminal discharges into a permitted
area.
If the error cannot be resolved or is persistent, contact your
installer.
F06 (lock out error)
Short circuit between
ionisation rod and
earth
Damaged cable in
contact with metal
surface.
Check the wiring of the ionisation rod. If necessary, replace the
wiring.
If the error persists, contact your installer.
To replace the necessary parts, you must contact your installer.
Ceramic part of the
ionisation rod is
broken/cracked.
1. Check whether the ceramic part of the ionisation rod is still
intact, in the vicinity of the air distribution plate of the burner.
2. If this is not the case, the ionisation rod must be replaced.
F07 (lock out error)
A flame has been
detected after the gas
valve was closed.
Defective gas valves. 1. Check whether there is still burner pressure present, after the
gas valves have closed.
2. Check whether a flame is still present, after the gas valves
have closed.
3. If this is the case, then the gas control must be replaced.
If the error cannot be resolved or is persistent, contact your
installer.
To replace the necessary parts, you must contact your installer.
F08 (lock out error)
Error message from
safety relay.
Flame detection
before gas valve
opened.
1. Reset ThermoControl.
2. If the error appears again, replace ThermoControl.
If the error cannot be resolved or is persistent, contact your
installer.
To replace the necessary parts, you must contact your installer.
Table 10.2 Displayed errors (Sheet 6 of 10)
Code + Description Possible cause Solution Remark