Gree GWHD14NK3BO - Page 77

Troubleshooting
75
AC Current Protection
(Input Side)
PA Flash 3 times Flash 3 times Flash 3 times PA PA Outdoor
Temp Drift Protection PE Flash 3 times Flash 3 times Flash 3 times PE PE Outdoor
Drive Board Ambient
Temp Sensor Error
PF Flash 3 times Flash 3 times Flash 3 times PF PF Outdoor
Low Voltage Protection PL Flash 3 times Flash 3 times Flash 3 times PL PL Outdoor
Over Voltage Protection PH Flash 3 times Flash 3 times Flash 3 times PH PH Outdoor
AC Input Voltage Anomaly PP Flash 3 times Flash 3 times Flash 3 times PP PP Outdoor
Charging Circuit Error PU / /
Flash 17
times
PU PU Outdoor
Oil Return for Heating
or Defrosting
H1 / / Flash once H1
Outdoor
Forced Defrosting H1 Quick Flashing / / H1 H1 Outdoor
Compressor Overheat Protection H3 / / Flash 3 times H3 H3 Outdoor
IPM Protection H5 / / Flash 5 times H5 H5 Outdoor
Motor Desynchronizing H7 / / Flash 7 times H7 H7 Outdoor
PFC Error Hc / / Flash 6 times Hc Hc Outdoor
/ L9 Flash 20 times / / L9 L9 Outdoor
Startup Failure Lc / / Flash 11 times Lc Lc Outdoor
Phase Loss Ld Flash 3 times Flash 3 times Flash 3 times Ld Ld Outdoor
Compressor Stalling LE Flash 3 times Flash 3 times Flash 3 times LE LE Outdoor
Over-Speed LF Flash 3 times Flash 3 times Flash 3 times LF LF Outdoor
/ A5 Flash 3 times Flash 3 times Flash 3 times oE A5 Outdoor
/ A7 Flash 3 times Flash 3 times Flash 3 times oE A7 Outdoor
/ EE / / / / / Outdoor
/ En Flash 3 times Flash 3 times Flash 3 times En En Outdoor
/ EU / Flash 6 times Flash 6 times EU EU Outdoor
/ F6 / Flash 6 times / F6 F6 Outdoor
/ F8 / Flash 8 times / F8 F8 Outdoor
/ F9 / Flash 9 times / F9 F9 Outdoor
/ FH / Flash twice Flash twice FH FH Outdoor
/ HE / / Flash 14 times HE HE Outdoor
/ LP Flash 19 times / / LP LP
Outdoor
& Indoor
/ U1 / / Flash 12 times U1 U1 Outdoor
/ U3 / / Flash 20 times / / Outdoor
Communication Line
Misconnected or
Expansion Valve Error
dn Flash 3 times Flash 3 times Flash 3 times dn dn Outdoor
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