Gree GVC36ALXH-K3NTC7A Service Manual page 50

Service Manual
Malfunction
protection of
13
outdoor unit
jumper cap
Anti-reverse
14 protection of
compressor
15 Defrosting
Malfunction
16 of detecting
plate(WIFI )
Installation and Maintenance
Cooling: compressor and
outdoor fan stop operation,
while indoor fan operates
C4
Heating: compressor,
outdoor fan and indoor fan
all stop operation
Cooling: compressor and
outdoor fan stop operation,
while indoor fan operates
LE
Heating: compressor,
outdoor fan and indoor fan
all stop operation
Heating indicator off for
H1 0.5s and then blinks for
10s
Loads operate normally,
JF while the unit can't be
normally controlled by APP.
1. Whether a jumper cap is installed
on the mainboard of ODU?
2. Is the mainboard of ODU damaged?
1.Whether gas valve and liquid valve
ODU are open completely?
2.Wheck the refrigerant in the system
leaking?
3. Whether the pipeline of system
blocked?
4. Whether indoor fan and outdoor fan
operate abnormally?
Not the error code. It's the status code for
the operation
1. Main board of indoor unit is damaged;
2. Detection board is damaged;
3. The connection between indoor unit
and detection board is not good;
Refer to maintenance
flowchart
47