30
8.9 Error Codes
Error Description
Code
3 Ambient temperature sensor error.
4 Indoor unit coil sensor error.
8 Low voltage error.
9 Compressor malfunction.
10 EEPROM malfunction.
12 Incomplete address / zone information.
Error Type of Error Description
code
3 Ambient temperature sensor Temperature sensor outside the
error operating range for more than 20 seconds
(less than -30
o
C and more than 100
o
C).
4 Indoor unit coil sensor error Temperature sensor outside the
operating range for more than 20 seconds
(less than -30
o
C and more than 100
o
C).
8 Low voltage error The control checks whether the unit
is configured correctly for 220V AC.
9 Compressor malfunction If the sensor temperature of the indoor
unit coil does not fluctuate within the
range ± 2
o
C, during the compressor
cycle period of 5 minutes, the control
triggers this error.
10 EEPROM error in circuit If any data is saved incorrectly in the
board circuit (through the Comfort Zone), any
address or zone is misconfigured, the
control triggers this error.
12 Incorrect address/zone If in an installation of several units
information for the unit (through the Comfort Zone), any address
or zone is misconfigured, the control
triggers this error.
In normal operation, the green LED, indicated by the signal receiver symbol is illuminated.
When a malfunction occurs in the unit, the LED will flash at 5-second intervals. The error
code is shown by the number of times the LED flashes. A pause of 5 seconds between the
cycles in which the LED flashes.
Error identification:
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