Gree EJ51000061, Service Manual

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39
Rooftop Packaged
Service Manual
3) Compressor has malfunction
Power cord of compressor is in
good contact and not broken
Power of compressor
is on
Re-connect
power cord
Capacitor in centrifugal
compressor’s return circuit is burnt
out
Replace capacitor
Yes
Yes
No
No Yes
Compressor runs Compressor has malfunction Repair or replace compressor
No Yes
Yes
No
Compressor can
not start up
4) The unit can not start up for cooling
The unit can not
start up for cooling
Power supply is normal, fuse is
not burned out and circuit does not
break
Power switch is switched
on and in good conta ct
Resume power suppl y, replace
fuse or re-conne ct circuit
Yes
Yes
No
No
Connection of power
cord of unit is correct
No
Yes
Electrical elements
in electric box are
unda maged
Repair or replace power switch
to switch on power suppl y
Re-conne ct power cord
Replace damaged elements
Yes
No