FAILURE DISPLAY
When there is failure in the unit operation the code of failure will be displayed. The
following table describes the error messages represented by the code displayed on
the Indoor Display:
Type of malfunction
H
** defrost mode or oil return procedure
H3
compressor overload protection
H5
IPM protection
H6
indoor fan plug
E2
anti freeze protection
E4
gas-discharge protection for compressor
E5
over current protection
E6
communication failure
E8
anti-high temperature protection
circuit-open orcircuit-short for indoor environment
F
tmep.sensor
circuit-open orcircuit-short for indoor evaporator
F2
tmep.sensor
circuit-open orcircuit-short for outdoor environment
F3
tmep.sensor
circuit-open orcircuit-short for outdoor condenser
F4
tmep.sensor
circuit-open orcircuit-short for outdoor gas-discharge
F5
tmep.sensor
PH
high voltage protection
PL
low voltage protection
* some alarm can be caused by the poor maintenance of the units
** The operating in heating mode, if ice forms on the external heat exchanger, the active unit of the automatic defrost
cycles marked by the signal on temporary H1 display in the indoor unit.
8
STARTING
Note
Temporary protection
Temporary protection
Temporary protection
Alarm
Temporary protection
Temporary protection
Temporary protection
Alarm
Temporary protection
Temporary protection
Alarm
Alarm
Alarm
Alarm
Temporary protection
Temporary protection
Action*
No any - Normal operation
If the alarm don't desappear call
the Service
If the alarm don't desappear call
the Service
Call the Service
If the alarm don't desappear call
the Service
If the alarm don't desappear call
the Service
If the alarm don't desappear call
the Service
Call the Service
If the alarm don't desappear call
the Service
If the alarm don't desappear call
the Service
Call the Service
Call the Service
Call the Service
Call the Service
If the alarm don't desappear call
the Service
If the alarm don't desappear call
the Service