Gree GVA48AL-M3NNC7A/I User Manual

Service Manual
43
Installation and Maintenance
9
Malfunction
protection of
outdoor unit
jumper cap
C4
Refer to maintenance
10
Anti-reverse
protection of
compressor
LE
Cooling: compressor and
outdoor fan stop operation,
while indoor fan operates
Heating: compressor,
outdoor fan and indoor fan
all stop operation
1. Whether a jumper cap is installed
on the mainboard of ODU?
Cooling: compressor and
outdoor fan stop operation,
while indoor fan operates
Heating: compressor,
outdoor fan and indoor fan
all stop operation
Is the mainboard of ODU damaged?2.
1.Whether gas valve and liquid valve
ODU are open completely?
2.2.Wheck the refrigerant in the system
leaking?
3.. Whether the pipeline of system
blocked?
4..
Whether indoor fan and outdoor fan
operate abnormally?
1.

Gree GVA48AL-M3NNC7A/I Specifications

General

Brand	Gree
Model	GVA48AL-M3NNC7A/I
Category	Air Conditioner
Language	English