Gree R410A, Service Manual

Page: 135 / 217

Super Free Match
Service Manual
MAINTENANCE
N
131
Conditions Causes
When restart the unit soon after it
is stopped The overload protection switch of the unit let the
startup delayed for three minutes
The unit does not run
As soon as power supply is on The unit will stand by for approximate one minute
The unit blows out mist When the cooling operation starts The hi-humidity air indoor is cooled quickly
The unit “clatters” as soon as it
starts running It is the sound generated during the initialization of
the electronic expansion valve
The unit “swishes” during the
cooling operation It is the sound when the refrigerant gas runs inside
the unit
The unit “swishes” when it is
started or stopped
It is the sound when the refrigerant gas stops running
The unit “swishes” when it is in
and after the running
It is the sound when the draining system is operating
The unit generates noise
The unit “squeaks” when it is in
and after the running It is the sound of frication generated by the skin plate
etc which swells due to the temperature change
The unit blows out dust
When the unit restarts after it is
not used for a long time
The dust inside the unit is blown out again
The unit emits odors When the unit is running The odors absorbed in are blown out
2.3 Error description
‹ Outdoor unit
If some error occurs when the unit is running, the error code will be displayed on the wired controller, the
testing board of the outdoor unit. Check for more details about the meaning of each error.
Main control display for outdoor unit
Errors of definition
Yellow LED Red LED Green LED
Indoor unit
code
Testing board
code
The compressor is startup
Flash 1 time
IPM current protection
Flash 3 times
H5 H5
IPM temperature protection
Flash 5 times
P8 P8
PFC current protection
Flash 7 times
HC HC
PFC temperature protection
Flash 8 times
P8 P8
Low voltage protection
Flash 9 times
PL PL
High voltage protection
Flash 10 times
PH PH
Low pressure protection
Flash 11 times
E3 E3
High pressure protection
Flash 12 times
E8 E8
High pressure switch protection
Flash 13 times
E1 E1
Capacitor charging error
Flash 14 times
PU PU
AC current protection
Flash 15 times
E5 E5
Memory card error
Flash 16 times
EE EE
Compressor demagnetizing protection
Flash 17 times
HE HE
Compressor desynchronizing
Flash 18 times
H7 H7
Compressor phase lack
Flash 19 times
U2 U2
Compressor phase circuit detection error
Flash 20 times
U1 U1
Compressor power protection
Flash 21 times
L9 L9
Compressor overload protection
Flash 22 times
H3 H3