Gree GMV6 Series User Manual

Gree GMV6 DC Inverter VRF Units Service Manual
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(1) Before the inspection: Find a correct digital multimeter and switch it to the diode gear. Power off the
unit and wait two minutes. Disconnect the U, V and W cables of the fans from the drive board. Do
not operate without waiting two minutes after the unit is powered off.
(2) Testing method: Point the black probe of the multimeter to the P bonding pad shown in the following
figure and the red probe to U, V and W wiring terminals respectively and check the readings of the
multimeter; point the red probe of the multimeter to the N bonding pad shown in the following figure
and the black probe to U, V and W wiring terminal respectively and check the readings of the
multimeter.
(3) Result analysis: If all the readings of the multimeter are between 0.3 V and 0.7 V in the above six
conditions, the module is normal; if any of the readings is 0, the module is damaged.
4.9 Main Board
The main board is used to control the load of the ODU.

Gree GMV6 Series Specifications

General

Brand	Gree
Model	GMV6 Series
Category	Inverter
Language	English