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12) Diagnostic
With this feature is possible to have a visual signal that a trouble is occurring.
This mode is always active and the signalling is made through the display board LEDS .
In case of no troubles the LEDS status follows its normal function.
NOTES
The troubles are showed according a priority list that is in case of more than one
trouble present, is always showed, at first, the one with the highest priority (1
Sensor damaged means a situation where sensor is short-circuited or opened.
In case of damaged sensors, the system (CM, FMO, FMI etc), if in OFF state, does not start.
WRONG MODE SELECTED means a situation where the operating mode chosen with remote controller
does not comply with the one allowed by jumpers settings.
Priority
TROUBLE
1
RAT damaged
2
ICT damaged
3
WRONG MODE
SELECTED
4
Water level alarm
O = LED off
F = LED blinking
LEDS status
LD1(stby)
LD2(opr)
LD3(timer)
F
O
F
F
F
F
O
F
19
2
3 etc).
Effects
O
System does not operate
O
F
O
See paragraph
17. DRAIN PUMP
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