52
SFK 28 - RAD - ING - Manuale - 1801.1_V3
2 Co
dic
i di s
egnal
azione
anomalie
_
sc
al
dab
agno
_M
IA
H4
04
_
SFK
_E
N
2. MAINTENANCE
SUPPOR
T
C
ENTRE
CODE
FAULT
POSSIBLE CAUSE
SOLUTION
RESET
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).
E35
RESIDUAL FLAME
FAULTY DETECTION
ELECTRODE;
CLEAN IT OR REPLACE IT;
MANUAL
RESET
(PRESS THE RESET
‘
’ KEY).
FAULTY DETECTION
ELECTRODE CABLE;
REPLACE IT;
FAULTY MODULATION
BOARD.
REPLACE IT.
E40
SUPPLY VOLTAGE
SUPPLY VOLTAGE OFF THE
OPERATION RANGE (
d
160
VOLTS).
CHECK THE POWER SUPPLY
NETWORK (THE ERROR DEACTIVATES
AUTOMATICALLY AS SOON AS THE
SUPPLY VOLTAGE FALLS BACK WITHIN
THE REQUESTED LIMITS).
AUTOMATIC.