Immergas 3.030908 Instruction And Warning Book page 11

2.6 ERRORS OR FAULTS SHOWN ON THE DISPLAY
The boiler display, under each zone identification "house", indicates the tem-perature read by the wireless probe assigned to the zone. In the event of a fault,
the display signals an error code under each zone identification "house" as illustrated in the table below:
Error Description
code of the fault
E121 Zone 1 device off-line alarm:
The radio commu-nication between
t h e c o n c e n t r a -tor and the room
probe is not active
E122 Zone 2 device off-line alarm:
The radio commu-nication between
t h e c o n c e n t r a -tor and the room
probe is not active
E123 Zone 3 device off-line alarm:
The radio commu-nication between
t h e c o n c e n t r a -tor and the room
probe is not active
E125 Fault in zone 1 room
temperature probe:
The room sensor is faulty
E126 Fault in zone 2 room
temperature probe:
The room sensor is faulty
E127 Fault in zone 3 room
temperature probe:
The room sensor is faulty
E300 ' 0 ' A d d r e s s R F Concentrator
off-line alarm:
The BUS commu-nication (via wire)
between the con-centrator address
"0" and the boiler is not active
E301 ' 1 ' A d d r e s s R F Concentrator
off-line alarm:
The BUS commu-nication (via wire)
between the con-centrator address
"1" and the boiler is not active
E302 ' 2 ' A d d r e s s R F Concentrator
off-line alarm:
The BUS commu-nication (via wire)
between the con-centrator address
"2" and the boiler is not active
Possible remedy
Check the position of the zone 1 room probe by eliminating any screens on the RF trans-
mission between the probe and concentrator. Check battery charge on zone 1 room probe
and replace them if necessary
Check the position of the zone 2 room probe by eliminating any screens on the RF trans-
mission between the probe and concentrator. Check battery charge on zone 2 room probe
and replace them if necessary
Check the position of the zone 3 room probe by eliminating any screens on the RF trans-
mission between the probe and concentrator. Check battery charge on zone 3 room probe
and replace them if necessary
Replace zone 1 wireless room probe
Replace zone 2 wireless room probe
Replace zone 3 wireless room probe
Check electrical connections between con-centrator and boiler.
Check if there is any association with probes (on concentrator LEDs) and re-associate if
necessary.
Check correspondence between the address set on the concentrator DipSwitch and the
address indicated on the association menu. If necessary replace the concentrator or the
display board
Check electrical connections between con-centrator and boiler.
Check if there is any association with probes (on concentrator LEDs) and re-associate if
necessary.
Check correspondence between the address set on the concentrator DipSwitch and the
address indicated on the association menu. If necessary replace the concentrator or the
display board
Check electrical connections between con-centrator and boiler.
Check if there is any association with probes (on concentrator LEDs) and re-associate if
necessary.
Check correspondence between the address set on the concentrator DipSwitch and the
address indicated on the association menu. If necessary replace the concentrator or the
display board
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