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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 find a table that briefly 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 insufficient water (cold water)
BLINK
ON
Cooling mode functioning from thermostat with insufficient water (hot water)
BLINK
Anti-freeze functioning
BLINK
BLINK
Thermostat anti-freeze functioning with insufficient water (cold water)
