Common Malfunction And Troubleshooting - Gree GMV-680WM/E-X Manuel D'utilisateur

GMV DC Inverter VRF
Reference of Debug Parameters of GMV5E DC Inverter Multi VRF System
No. Debug item Parameter name
Operating freq of fan
18
motor 1
19 Current of fan motor 1
ODU
Operating freq of fan
20
motor 2
21 Current of fan motor 2
System
22 Ambient temp of IDU
parameters
Inlet tube temp of indoor
23
heat exchanger
IDU
Outlet tube temp of
24
indoor heat exchanger
Opening angle of indoor
25
EXV
Communi
26 -cation Communication data
parameter
Drainage
27
system
28 Others

6 Common Malfunction and Troubleshooting

Check the following items before contacting for repair.
Phenomenon
Without power supply
Voltage is too low
The unit doesn't
Broken fuse or breaker trips off
run.
Insufficient energy of remote controller
Remote controller is out of control scope
Unit runs but stop Air intake or outlet of indoor or outdoor unit is
immediately blocked
Air intake or outlet of indoor or outdoor unit is
blocked
Improper temperature setting
Fan speed is set too low
Abnormal cooling
Wind direction is not correct
or heating
Door or windows are opened
Direct sunshine
Too many people in the room
Too many heat resources in the room
Filter is blocked for dirt
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Unit
Hz Adjusts in 0~65Hz according to system pressure.
A
Hz ●Adjusts in 0~65Hz according to system pressure.
A
℃ ——
●According to different ambient temp, for a same IDU
℃
under cooling mode, inlet tube temp will be 1 ~7℃ lower
than outlet tube temp.
●For a same IDU under heating mode, inlet tube temp will
℃
be 10 ~20℃ lower than outlet tube temp.
PLS Adjusts opening angle automatically in 200~2000PLS.
●Quantity of IDU and ODU detected by software is the
—
same with actual quantity. No communication error.
●IDU can drain water out completely and smoothly.
Condensate pipe has no backward slope of water. Water
—— —
of ODU can be drained completely through drainage pipe.
No water drop from unit base.
●Compressor and indoor/outdoor fan motor has no
—— ℃
strange noise. Unit operates normally.
Reason
61
Reference
Measure
Connect to power supply
Check if the voltage is within rating range
Replace fuse or connect breaker
Replace new battery
Control scope is within 8m
Remove obstruction
Remove obstruction
Adjust setting at wireless remote controller
or wired controller
Adjust setting at wireless remote controller
or wired controller
Adjust setting at wireless remote controller
or wired controller
Close the door or windows
Draw curtain or louver
Reduce heat resources
Clean the filter