Gree GPC12AL-K5NNA3A User Manual

49
Maintenance
Service Manual
NO.
Malfunction
Name
Display Method of Indoor Unit

A/C Status Possible Causes
Error
Code
Indicator lamp
(During blinking, ON for 0.5S and
OFF for 0.5 S)
Operation
Inidicato
COOL
Indicator
HEAT
Indicator
4
Water

protection
H8
The unit stops
operation
During cooling or drying

chassis. If its detected that water inside
water chassis is full for 3s successively,

Buzzer will give out 8 sounds and dual-8
nixie tube displays error code “H8”.
5


protection
F0
Indoor and outdoor
fan keeps on
running,other loads
stop operation
1. Heat exchangers are too dirty or the air
inlet/outlet is blocked.
2. Compressor doesnt work normally. Strange
noise or leakage occurs. Temperature of the
shell is too high.
3. System is blocked inside(dirt block, ice
block, oil block, Y-valve not fully open).
4. The refrigerant is leaking.
6
Overload
protection for
compressor
H3
Indoor and outdoor
fan keeps on
running,other loads
stop operation
1. Heat exchangers are too dirty or the air
inlet/outlet is blocked.
2. Fan motor is not working Abnormal fan
speed; fan speed is too low or the fan doesnt
run.
3. Compressor doesnt work normally. Strange
noise or leakage occurs. Temperature of the
shell is too high.
4. System is blocked inside(dirt block, ice
block, oil block, Y-valve not fully open).
5. Draw-water motor cant operate normally.
6. Water outlet hasnt been blocked well by
rubber cork .
7. The refrigerant is leaking and cause
overheating protection to compressor.
7
Overload
malfunction
E8
Indoor and outdoor
fan keeps on
running,other loads
stop operation
1. The environment is formidable.
2. Heat exchangers are too dirty or the air
inlet/outlet is blocked.
3. Fan motor is not working Abnormal fan
speed; fan speed is too low or the fan doesnt
run.
4. Compressor doesnt work normally. Strange
noise or leakage occurs. Temperature of the
shell is too high.
5. System is blocked inside(dirt block, ice
block, oil block, Y-valve not fully open).
6.Temperature sensor of main board cant
detect correctly.

Gree GPC12AL-K5NNA3A Specifications

General

Brand	Gree
Model	GPC12AL-K5NNA3A
Category	Heat Pump
Language	English