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Gree GMV-335WM/G-X Service Manual

Gree GMV-335WM/G-X
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Gree GMV6 DC Inverter VRF Units Service Manual
79
Fault diagnosis:
This is a status code. It indicates that the unit is in emergency stop status through remote centralized
control, and it cannot be started unless such state is disabled.
Possible causes: --
Troubleshooting: not required.
2.15 "Ab" Emergency Stop
Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit
display
Fault diagnosis:
This is a status code. It indicates that the main board of outdoor unit has received emergency stop
signal, and the unit cannot be started unless such state is disabled.
Possible causes: --
Troubleshooting: not required.
2.16 "Ad" Restricted Running State
Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit
display
Fault diagnosis:
This is a status code. It indicates that an emergency running state has been set for the system, but
the unit is not allowed to perform emergency running because the emergency running has reached the
time limit.
Possible causes: --
Troubleshooting: not required.
2.17 "b1" Outdoor Ambient Temperature Sensor Fault
Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit
display
Fault diagnosis:
The temperature sensor detection circuit samples the AD value of temperature sensor and
determines the range of AD value. When the sampled AD value exceeds the limits for 30 consecutive
seconds, the fault is generated.
Possible causes:
■ Poor contact between the temperature sensor and the main board interface;
Abnormal temperature sensor;
Abnormal detection circuit.
Troubleshooting:

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Gree GMV-335WM/G-X Specifications

General IconGeneral
BrandGree
ModelGMV-335WM/G-X
CategoryInverter
LanguageEnglish

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