4-12 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 2 3 etc).
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.
Priority
TROUBLE
LD1(stby)
LD2(opr) LD3(timer)
2
RAT damaged
F
O
O
3
ICT damaged
F
F
O
4
WRONG MODE
F
F
F
SELECTED
5
Water level alarm
O
F
O
O = LED off
z
= LED on
F = LED blinking
WARNING: Priority 4 only for COOLING
See paragraph
4-9 DRAIN PUMP MODE
LEDS status
Effects
System does not operate
System does not operate
30
