57
R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS
2 Codici
di segnalazione
anomalie_c
ombinata_MIAH4_firm.L224C_EN
2. MAINTENANCE
SUPPOR
T
C
ENTRE
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
INCOMPATIBLE REMOTE
CONTROL
FUNCTION ACTIVE
WHEN THE CONNECTED
REMOTE CONTROL IS NOT
COMPATIBLE WITH THE
P.C.B.
REPLACE IT WITH A COMPATIBLE ONE.
AUTOMATIC.
E32
COMMUNICATION ERROR
BETWEEN THE BOILER
BOARD AND THE MODBUS
BOARD
NO ELECTRICAL
CONNECTION;
CHECK THE WIRING;
AUTOMATIC.
MODBUS BOARD BROKEN;
REPLACE IT;