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At this point the current configuration of the unit will be displayed for a few moments as shown below:
LED A (red) on: the unit is configured as a heat pump;
LED B (green) on: the unit is setup for a low wall application(factory default);
LED C (yellow) on: the unit is setup for a low wall application;
LED D (green) on: reset settings function after an active black-out (factory setting).
At this point all of the LEDs on the console will start flashing simultaneously for 10 seconds.
During this time the configuration of the unit can be changed by pressing the reset key (H) until the settings
match your specific application.
�������of the control board for a high wall installation sets an automatic correction of the
detected room temperature by 37,5ºF (3º C).
At this point the troubleshooting function activates the unit in heating mode (if it is a heat pump) for approx. 2
minutes and then in cooling mode for another 2 minutes. It is possible to terminate the function prematurely,
by simply by switching the unit off using the remote control.
Should the unit stop and signal an error, determine which LEDs are flashing then use the chart below to
determine the cause:
DESCRIPTION
Overtemperature of internal heat exchanger (HTI)
Overtemperature of external heat exchanger (HTE)
External temperature sensor fault (short circuit) (TFS7)
External temperature sensor fault (open circuit) (TFS8)
Internal fan malfunction (SV)
Insufficient heat exchanger temperature (CF/RL)
Maximum level of condensate water (OF)
Invalid EEprom parameters (CKS)
Room temperature sensor fault (short circuit) (TFS1)
Room temperature sensor fault (open circuit) (TFS2)
Internal heat exchanger temperature sensor fault (short
circuit) (TFS3)
Internal heat exchanger temperature sensor fault (open
circuit) (TFS4)
External heat exchanger temperature sensor fault (short
circuit) (TFS5)
External heat exchanger temperature sensor fault
(open circuit) (TFS6)
WARNINGS DISPLAYED DURING NORMAL OPERATION SHOULD NOT BE INTERPRETED AS ERRORS.
LED A: Indicates the filter may need cleaning.
After cleaning or replacing the filter the LED must be switched off manually as indicated in section 2.6.1
LED B steady light: indicates high coil temperature signal.
LED A + LED C flashing: Indicates continuous condensate pump operation.
US-ENG- 12
Flashing
=
LED D
LED C
LED B
GREEN
YELLOW
GREEN
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
ON
OFF
ON
OFF
ON
ON
OFF
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
LED A
RED
ON
OFF
ON
ON
OFF
OFF
OFF
ON
OFF
ON
OFF
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
ON
OFF
ON
ON
ON
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