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USM_TH-TUNE Aire-Aire y Agua-Aire_207960_181005_EN
TH-TUNE
Packaged Air-Air and Water-Air units
OPERATION
Warning and Information signals
Some 4-letter alphanumeric characters (AL01) may be displayed on the TH-Tune screen.
When the (
) symbol also appears then it is an
alarm
, otherwise it is a
warning
or an
information signal
. The
warnings disappear automatically when the cause disappears while the alarms will have to be reset.
Description of the Warning Codes
CODE
DESCRIPTION
FIELD
AVFS
Warning of Dirty Filter
Water-Air
Cn
Trying to establish communication with the control board (Modbus)
General
IFAb
No water flow Info.
General
OFFd
The remote contact On-off is open.
General
OFFs
Stop from supervisor (Modbus, Bacnet, etc.)
General
Security stop
General
Alarms
Alarm Codes Reset
Press the central button several times until
RES
appears
(only available when there is at least one active
alarm).
All alarms are cancelled once the causes have
disappeared or when they have been solved.
Turn the central button to change from 0 to 1.
Press the central button once.
After resetting, the text will change to OK.
After resetting, the thermostat will return automatically to its normal condition and will display the room or the return temperature according
to the configuration.
All alarms are serious and will make the unit stop. They activate an output signal through a relay.
WARNING!
