61
R1K 50 - RAD - ING - Manuale - 1801.1_SK.3
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A
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EN
2. MAINTENANCE
SUPPOR
T
C
ENTRE
CODE
FAULT
POSSIBLE CAUSE
SOLUTION
RESET
E03
FUMES SAFETY
THERMOFUSE (102°C)
THERMOFUSE BROKEN;
REPLACE IT;
MANUAL
RESET
(PRESS THE RESET
‘
’ KEY).
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.
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.
E16
ELECTRIC FAN
ELECTRIC FAN BOARD
BROKEN;
REPLACE IT;
AUTOMATIC.
ELECTRIC FAN BROKEN;
REPLACE IT;
FAULTY POWER SUPPLY
CABLE.
REPLACE IT.
E18
I N S U F F I C I E N T
CIRCULATION
EXCHANGER OBSTRUCTED;
CLEAN OR REPLACE THE EXCHANGER;
AUTOMATIC.
CIRCULATOR BROKEN OR
DIRTY IMPELLER.
CLEAN THE IMPELLER OR REPLACE
THE CIRCULATOR.
