Common Malfunction And Troubleshooting - Gree GMV-Y96WM/A-F(U) Owner's Manual

Photovoltaic Multi VRF
Reference of Debug Parameters of
No. Debug item
21
22
23
IDU
24
25
Communication
26
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
Parameter name
Current of fan motor 2
Ambient temp of IDU
Inlet tube temp of
indoor heat exchanger
Outlet tube temp of
indoor heat exchanger
Opening angle of
indoor EXV
Communication data
——
——
Reason
photovoltaic multi VRF
Unit
A
º C(° F) ——
● According to different ambient temp, for a same
º C(° F)
IDU under cooling mode, inlet tube temp will be
1~7º C(33.8~44.6° F) lower than outlet tube temp.
● For a same IDU under heating mode, inlet tube
º C(° F)
temp will be 10~20º C(50~68° F) lower than outlet
tube temp.
Adjusts opening angle automatically in
PLS
200~2000PLS or 70~480PLS.
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
º C(° F)
strange noise. Unit operates normally.
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
51
System
Reference
Measure