59
R1BK_75-RAD-ING-Manuale-1810.1_SK.2
2 C
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R1
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H4
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2 C
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2. MAINTENANCE
SUPPOR
T CENTRE
CODE
FAULT
POSSIBLE CAUSE
SOLUTION
RESET
E03
FUMES SAFETY
THERMOFUSE (102°C)
THERMOFUSE BROKEN;
REPLACE IT;
MANUAL RESET
(HOLD THE RESET ‘
’ KEY FROM THE
MASTER CONTROL
PANEL).
THERMOFUSE CABLE
DISCONNECTED.
CHECK THE WIRING.
E04
WATER MISSING IN THE
SYSTEM
INSUFFICIENT WATER
PRESSURE INSIDE THE
SYSTEM (LOWER THAN 0.3
BAR);
LOAD THE SYSTEM;
AUTOMATIC.
WATER PRESSURE SWITCH
CABLE DISCONNECTED;
CHECK THE WIRING;
WATER PRESSURE SWITCH
BROKEN.
REPLACE IT.
E05
HEATING PROBE
BROKEN OR INCORRECTLY
CALIBRATED PROBE
(RESISTANCE VALUE 10
KOHM AT 25 °C NTC);
REPLACE IT;
AUTOMATIC.
DISCONNECTED OR WET
PROBE CONNECTOR.
CHECK THE WIRING.
E06
DOMESTIC CIRCUIT
PROBE
BROKEN OR INCORRECTLY
CALIBRATED PROBE
(RESISTANCE VALUE 10
KOHM AT 25 °C NTC);
REPLACE IT;
AUTOMATIC.
DISCONNECTED OR WET
PROBE CONNECTOR.
CHECK THE WIRING.
E15
RETURN PROBE
BROKEN OR INCORRECTLY
CALIBRATED PROBE
(RESISTANCE VALUE 10
KOHM AT 25 °C NTC);
REPLACE IT;
AUTOMATIC.
DISCONNECTED OR WET
PROBE CONNECTOR.
CHECK THE WIRING.