39
BOILER STATUS
PROBLEM
POSSIBLE CAUSE
SOLUTION
The boiler has shut down. The
symbol
is displayed and code
E05 flashes.
Operation is resumed automatically
when the cause of shutdown has
been removed.
CH probe not working.
CH probe disconnected.
Reconnect it.
CH probe faulty.
Replace it.
The boiler does not work in DHW
mode. The symbol
is displayed
and code E06 flashes.
Operation is resumed automatically
when the cause of shutdown has
been removed.
DHW probe not working.
DHW probe disconnected.
Reconnect it.
DHW probe faulty.
Replace it.
The boiler does not work in DHW
mode. The symbol
is displayed
and code E12 flashes.
Operation is resumed automatically
when the cause of shutdown has
been removed.
Storage tank probe not working.
Storage tank probe disconnected.
Reconnect it.
Storage tank probe faulty.
Replace it.
The boiler does not work in DHW
mode.
DHW flow switch does not cut in.
System pressure or flow rate too low.
Check DHW system.
Check flow meter filter.
Flow meter sensors disconnected or
faulty.
Replace or reconnect it.
Flow meter stuck.
Replace it.
The boiler does not work properly.
The symbol
is displayed and
code E16 flashes.
Operation is resumed automatically
when the cause of shutdown has
been removed.
Gas valve modulator not working.
Gas valve modulator disconnected.
Reconnect it.
Gas valve modulator faulty.
Replace it.
The (optional) remote control is
switched off. The symbol
is
displayed and code E22 flashes.
Operation is resumed automatically
when the cause of shutdown has
been removed.
No communication with remote
control (optional, if connected
previously).
Cable between boiler and remote
control disconnected.
Reconnect it
Remote control faulty.
Replace it.
The symbol
is displayed and
code E23 flashes.
Operation is resumed automatically
when the cause of shutdown has
been removed.
External probe (optional) not
working (if connected previously).
External probe disconnected.
Reconnect it.
External probe faulty.
Replace it.