Komfovent C6.1 Elektrische Installation Und Bedienungsanleitung Seite 37

Table 2.6.1. Alarms displayed in the C6.1 control panel, their possible causes and elimination methods
Code
F1 Low supply air flow
F2 Low extract air flow
F3 Return water temperature low
F4 Low supply air temperature
F5 High supply air temperature
F6 Electric heater overheat
F7 Heat exchanger failure
F8 Heat exchanger icing
F9 Internal fire alarm
F10 External fire alarm
F11 – F22 Temperature sensor(s) failure(s)
F23 – F27 Controller failure
W1 Clogged air filters
W2 Service mode
Table 2.6.2. Alarms displayed in the C6.2 control panel, their possible causes and elimination methods
Indication
Red light warning indicator
Flashing red warning indicator
Flashing red warning indicator
All panel indicators are flashing N/A
UAB AMALVA we reserve the right to make changes without prior notice
C6-17-08
Notification
Operation
The unit is operating
The unit is operating
The unit is not operating
Reset the emergency electric heater overheating protection system us-
ing the RESET button, only after clarifying the cause of the overheating
and eliminating it.
Before performing any work inside the equipment, make sure that the
machine is switched off and disconnected from the mains power supply.
Once the failure has been eliminated, activate the power supply and
erase the error message. However, if a fault is not eliminated, the device
will either start again and then stop, or will not start and the error mes-
sage will continue to be displayed.
Possible cause
Too high resistance of the ventila-
tion system
The temperature of the return water
in the water heater has dropped
below the acceptable limits
Unlisted or uncontrollable heating
unit or insufficient power
The heater has overheated due to a
too low air flow
Blocked or not rotating rotor, by-
pass damper failure
Icing may occur in low outdoor
temperatures and in high room
humidity
Risk of fire in the ventilation system
Fire alarm from the building's fire
protection system
Disconnected or faulty temperature
sensor(s)
Inner main controller failure
It is time to replace the air handling
unit air filters
A temporary mode, which can be
activated by the service personnel
Possible cause
Dirty air filters
A temporary mode, which can be
activated by the service personnel
Critical failure(s) for which the unit
is stopped
Damaged or incorrectly connected
connection cable between the
remote control panel and the unit
Elimination
Check the air valves, air filters or
ventilation system for clogging.
Check the condition of the circula-
tion pump on the heating system,
and the mixing valve actuator.
Check the heating unit
After the heater has cooled down,
restore the protection by pressing
the RESET button
Check the drive condition of the
rotary or the plate heat exchanger.
Check the operation and protection
system of the initial electric heater.
Check the ventilation system. Find
the source of the heat.
Once the fire alarm signal disap-
pears, the unit needs to be restarted
immediately from the control panel.
It is necessary to check the sen-
sor connections or to change the
sensor.
Replace the main controller.
Change the filters after turning off
the unit.
The service mode is switched off by
simply deleting the alert message.
Elimination
Change the filters after turning
off the unit.
The service mode is switched
off by simply deleting the alert
message.
More details about the fault
can be viewed online using the
computer or a smart phone.
Check the control panel con-
nection
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