9
Loose communication
Check adjustment
Large vibration after startup
The centrifugal pipe in the rotor is
not placed symmetrically
Check adjustment
Rupture of centrifugal pipe
Inspection and
replacement
Rotor not tightened
Check adjustment
Shock absorption part damaged
Check and replace
The display shows 0000, press the
start key and the machine will not
run
Circuit board or transformer damaged Replace
Loose connector of control system
Reinsert
The key is damaged
Replace panel
Motor damage or leakage
Replace
It can run but can't go up in speed.
The machine has strange noise or
peculiar smell
Control system or motor failure
Send to the
manufacturer for
maintenance
The actual speed is different from
the set or displayed speed, out of
control or unstable
Control system failure
Send to the
manufacturer for
maintenance
The temperature does not meet the
set low temperature requirements
Without precooling or insufficient
Precooling
Sufficient
Precooling
Compressor damaged
Check and replace
amaged solenoid valve
Check and replace
Insufficient refrigerant
Add proper
amount of
refrigerant
