18 23/03 – 6795769_04
11 ALARMS DISPLAY
The VMF-E4X envisions the display of some anomalies that can arise in the fancoil. These malfunctions are indicated via a string “AL” followed by a code, as indicated in the
next example:
The possible alarm codes are:
Error code Meaning
AL
1
No communication between interface VMF-E4X and thermostat E0/E1
AL
2
Alarm of fault on the inverter
AL
3
Room probe fault present on the VMF-E4X
Note: If the VMF-E4X room probe breaks, functioning of the probe on the fancoil is automatically enabled.
12 SPECIFIC FUNCTIONING CONDITIONS DISPLAY
Below nd a table that briey describes some display combinations used to represent the particular conditions of use:
Symbol Symbol status Meaning
ON Thermostat disabled
ON Thermostat operating mode forced by supervisor
ON Activates the SLEEP mode (for fancoils that have thermostat E1 and have water side changeover)
ON Thermostat request
// Function not available
ON Heating functioning from thermostat
ON Cooling functioning from thermostat
ON BLINK Heat mode functioning from thermostat with insucient water (cold water)
BLINK ON Cooling mode functioning from thermostat with insucient water (hot water)
BLINK Anti-freeze functioning
BLINK BLINK Thermostat anti-freeze functioning with insucient water (cold water)