69
R1K 75 - RAD - ING - Man.Inst. - 1901.1_
SK.2
_con_PA_AHS
2 Codici
di
segnalazione
anomalie_R1K
100_MIAH4_c
on
PA_EN
2. MAINTENANCE
SUPPOR
T
CENTRE
CODE
FAULT
POSSIBLE CAUSE
SOLUTION
RESET
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.
E21
GENERAL INTERNAL
BOARD ERROR
INCORRECT SIGNAL
RECOGNITION BY THE
MODULATION BOARD
MICRO-PROCESSOR.
IF THE MODULATION BOARD DOES NOT
RESET THE ERROR AUTOMATICALLY,
REPLACE IT.
AUTOMATIC.
E22
P A R A M E T E R S
PROGRAMMING REQUEST
MICRO=PROCESSOR
MEMORY LOSS.
PARAMETERS REPROGRAMMING.
MANUAL
RESET
(CUT OFF THE
TENSION).
E31
SOLAR AUXILIARY BOARD
CONNECTION FAULTS
SOLAR AUXILIARY BOARD
DISCONNECTED.
SET MANUALLY THE VALUE OF
PARAMETER P34 TO ‘0’.
AUTOMATIC.
E32
COMMUNICATION ERROR
BETWEEN THE BOILER
BOARD AND THE MODBUS
BOARD
NO ELECTRICAL
CONNECTION;
CHECK THE WIRING;
AUTOMATIC.
MODBUS BOARD BROKEN;
REPLACE IT;
