Gree GMV series User Manual

GMV DC Inverter VRF
58
6 Common Malfunction and Troubleshooting
Check the following items before contacting for repair.
Phenomenon
Reason
Measure
The unit doesn’t
run
Without power supply
Connect to power supply
Voltage is too low
Check if the voltage is within rating range
Broken fuse or breaker trips off
Replace fuse or connect breaker
Insufficient energy of remote controller
Replace new battery
Remote controller is out of control scope
Control scope is within 8m
Unit runs but stop
immediately
Air intake or outlet of indoor or outdoor unit is
blocked
Remove obstruction
Abnormal cooling
or heating
Air intake or outlet of indoor or outdoor unit is
blocked
Remove obstruction
Improper temperature setting
Adjust setting at wireless remote controller
or wired controller
Fan speed is set too low
Adjust setting at wireless remote controller
or wired controller
Wind direction is not correct
Adjust setting at wireless remote controller
or wired controller
Door or windows are opened
Close the door or windows
Direct sunshine
Draw curtain or louver
Too many people in the room
Too many heat resources in the room
Reduce heat resources
Filter is blocked for dirt
Clean the filter
(1) When installing remote monitor or central controller, displacement on indoor units’ project codes must be
made. Otherwise, there will be collision malfunction of the project codes. For detail operation methods, please
refer to the GMV5 Installation and Maintenance Manual.
(2) If problem cannot be solved after checking the above items, please contact Gree service center and show
phenomena and models.

Gree GMV series Specifications

General

Brand	Gree
Model	GMV series
Category	Air Conditioner
Language	English