Unical ALKON 115 EXT, Руководство по установке и обслуживанию

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39
Maintenance instructions
ENGLISH
26
sPEED OUT OF
CONTROL
Alteration of the fan speed; the speed is
above that requested
Check fan operation
(18)
and the connections
28
OBsTRUCTION EXHAUsT Check Chimney / Ceck siphon
30
FACTORY PARAMETERs
Alteration of the factory parameters due
to possible electromagnetic interferences.
Press the unblock key; if the anomaly persists, replace the board.
32
Line voltage under 80% of nominal
value. The ignition procedure wait until
the line voltage is > 85% of the nominal
value.
Correction: if the line voltage <190Vac: the line voltage is really under
the minimum limit, else errors line monitor fault: sobstitute the BMM
SYMBOL DESCRIPTION OF FAULT
DETECTED ON HCM (BCM)
SOLUTION
17
EXCHANGER
FREEZING ( 24 )
status stop
Push Reset:
the system automatically activates the function of antifreeze
and then it may be only a warning.
18
MAXIMUM PROTECTION
D
T FLOw
AND RETURN
status stop
Control of the circulation, verify installation
19
OvERHEATING OF CH FLOw
Overheating of the outlet.
It is activated when the flow temperature
is> 95. It is reset automatically when the
temperature is <80.
Effect: Stop burner, pump on
Control of the circulation
37
FAULTY PARAMETER MEMORY
Flame arrest
Contact Customer Service
38
FACTORY PARAMETERs CORRUPTED
by electromagnetic interference
status stop
Contact Customer Service
56
REMOTE CONTROL IS NOT
DETECTED
Flame arrest
Check the electrical connections e-BUS1
57
BMM BOARD NOT FOUND
status stop
Check the electrical connections BMM e-BUS
58
FLOw sENsOR
status stop
Connect a new sensor. If the code disappears, replace the sensor,
otherwise check the electrical connections
The error codes are displayed in info line of the display and persist even if the fault was temporary.
Is necessary to push reset to clear the display of alarm code’.