Midea PK-09ER, Руководство по обслуживанию

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GD Midea Refrigeration Equipment Co. Ltd Service manual for K portable Series
6
No power Check voltage at electrical outlet. Correct if none.
Water alarm Check and correct if water alarm happens.
Power supply cord
Check voltage at the power cord terminal on Main PCB. Replace
the power cord if none.
Transformer (Discharge
transformer before testing)
Check resistance between the two input/output lines on
transformer. Replace the transformer if either of the input/output
is open or the transformer is damaged.
Wire disconnected or
connection loose
Connect wire. Refer to wiring diagram for terminal identification.
Repair or replace loose terminal.
Main PCB failure
Select fan speed and Check the voltage on main PCB. Replace
the main PCB if no voltage in anyone.
Capacitor (Discharge
capacitor before testing)
Test capacitor.
Replace if not /-10% of manufacture's rating. Replace if
shorted, open or damaged.
Fan motor will not
run.
Will not rotate
Fan blower hitting scroll. Realign assembly.
Check fan motor bearings. Replace the motor if motor shaft do
not rotate.
Fan blower
Replace the fan blower if cracked, out of balance, or partially
missing.
Loose screws Tighten them.
Fan motor noise.
Worn bearings
Replace the motor if knocking sounds continue when running or
loose, or the motor hums or noise appears to be internal while
running.
Voltage Check voltage. Call Supply Authority if not within limits.
Wiring
Check the wire connections, if loose, repair or replace the
terminal. If wires are off, refer to wiring diagram for identification,
and replace. Check wire locations. If not per wiring diagram,
correct.
Main PCB failure Check voltage of main PCB. Replace the main PCB if open.
Capacitor (Discharge
capacitor before testing)
Check the capacitor.
Replace if not /-10% of manufacturers rating. Replace if
shorted, open, or damaged.
Room temp sensor
Check the temperature setting if not at the coolest (in cooling
mode) or the warmest (in heating mode). Set it if not.
Compressor will not
run while fan motor
runs.
Compressor
Check the compressor for open circuit or ground. If open or
grounded, replace the compressor.
Excessive noise. Copper tubing
Remove the cabinet and carefully rearrange tubing not to contact
cabinet, compressor, shroud and barrier.
Water tank full Check and pour if the water tank is full.
Water depth sensor if failure Check and replace if failure.
Water pump failure Check and replace if the pump if failure.
Water depth is over load in
chassis
Check and drainage the water in the chassis by open the
drainage hose on the chassis.
Water full alarm
Water depth sensing
structure
Check and replace or realign if the structure is failure.