Gree GWHD14NK3BO Service Manual page 77

AC Current Protection
(Input Side)
Temp Drift Protection
Drive Board Ambient
Temp Sensor Error
Low Voltage Protection
Over Voltage Protection
AC Input Voltage Anomaly
Charging Circuit Error
Oil Return for Heating
or Defrosting
Forced Defrosting
Compressor Overheat Protection
IPM Protection
Motor Desynchronizing
PFC Error
/
Startup Failure
Phase Loss
Compressor Stalling
Over-Speed
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Communication Line
Misconnected or
Expansion Valve Error
PA Flash 3 times Flash 3 times
PE Flash 3 times Flash 3 times
PF Flash 3 times Flash 3 times
PL Flash 3 times Flash 3 times
PH Flash 3 times Flash 3 times
PP Flash 3 times Flash 3 times
PU /
H1 /
H1 Quick Flashing
H3 /
H5 /
H7 /
Hc /
L9 Flash 20 times
Lc /
Ld Flash 3 times Flash 3 times
LE Flash 3 times Flash 3 times
LF Flash 3 times Flash 3 times
A5 Flash 3 times Flash 3 times
A7 Flash 3 times Flash 3 times
EE /
En Flash 3 times Flash 3 times
EU / Flash 6 times
F6 / Flash 6 times
F8 / Flash 8 times
F9 / Flash 9 times
FH / Flash twice
HE /
LP Flash 19 times
U1 /
U3 /
dn Flash 3 times Flash 3 times
Flash 3 times
Flash 3 times
Flash 3 times
Flash 3 times
Flash 3 times
Flash 3 times
Flash 17
/
times
/ Flash once
/ /
/ Flash 3 times
/ Flash 5 times
/ Flash 7 times
/ Flash 6 times
/ /
/ Flash 11 times
Flash 3 times
Flash 3 times
Flash 3 times
Flash 3 times
Flash 3 times
/ /
Flash 3 times
Flash 6 times
/
/
/
Flash twice
/ Flash 14 times
/ /
/ Flash 12 times
/ Flash 20 times
Flash 3 times
Troubleshooting
PA PA Outdoor
PE PE Outdoor
PF PF Outdoor
PL PL Outdoor
PH PH Outdoor
PP PP Outdoor
PU PU Outdoor
H1 Outdoor
H1 H1 Outdoor
H3 H3 Outdoor
H5 H5 Outdoor
H7 H7 Outdoor
Hc Hc Outdoor
L9 L9 Outdoor
Lc Lc Outdoor
Ld Ld Outdoor
LE LE Outdoor
LF LF Outdoor
oE A5 Outdoor
oE A7 Outdoor
/ / Outdoor
En En Outdoor
EU EU Outdoor
F6 F6 Outdoor
F8 F8 Outdoor
F9 F9 Outdoor
FH FH Outdoor
HE HE Outdoor
Outdoor
LP LP
& Indoor
U1 U1 Outdoor
/ / Outdoor
dn dn Outdoor
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