Alarm Codes - AERMEC FCXI Use And Installation Manual

EN

37. ALARM CODES

This section is reserved for the After Sales service
only.
The card is located inside the unit and requires
dismantling.
DANGER! Only qualified service personnel can
access it.
There are 2 LEDs on the Inverter card (Alarm /
Power) that indicate the unit's operating status.
The table below shows how to decode the
messages.
ALARM TYPE
High temperature
Overvoltage
Undervoltage
Overcurrent
Overload
Safety control
STOP
CONTROL DEVICE (NOT INCLUDED)
CONTROL DEVICE 0V - 10V
Use a control device with thermostat and speed
control of the fan with a 0-10V output and with
characteristics compatible with the fan coil unit.
VMF System CONTROL DEVICE
VMF-E18
VMF-E4
32
FCXI20 FCXI24
FCXI30 FCXI34
FCXI44
FCXI40
FCXI50 FCXI54
LEDS
Alarm
Power
INDICATIONS
ALARM LED flashes
3sec ON 0.5sec OFF
The LED if permanently ON after
1.5min
ALARM LED flashes
0.5sec ON 0.5sec OFF
Alarm LED permanently on
For the installation consult the unit manual and
the accessory manual.
With thermostat VMF-E18 and with control panel
VMF-E4 or VMF-E4D.
• The thermostat kit VMF-E18 includes the cables
for connection to the Inverter Command Module.
The cables are terminated with connectors for a
rapid connection. The installation of the VMF-E18
kit requires that the standard terminal block and
the connection cables to the Inverter Command
Module are removed from the fan coil unit
(Signal e Supply).
• Mount the thermostat box on the side of the fan
coil unit, on the connections that were used for
the terminal block.
• Remove the cover to the thermostat box.
• Connect the Inverter Command Module to the
VMF-E18 thermostat using the cables provided
with the VMF-E18 kit. Check the connections
FCXI80
FCXI84
IRREGULARITY
Motor off
Speed reduction
Motor off
with the wiring diagram.
• Connect with the wired control panel VMF-E4
or VMF-E4D.
• Complete the connections as shown in the VMF-
E18 thermostat manual.
FCXI_AS_U
Notes
Auto-Restart Alarm.
If the conditions persist after
1.5min, the alarm becomes
permanent, the Alarm LED stays
on, the system turns off.
Power limitation
Temperature limitation
For alarms reset:
Set 0V ON INPUT
(turn the power off and then on again)
IFCXIIJ 1501 - 5386400_00