ANDI MPK1-12ER-QB6 Service-Handbuch - Seite 8

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Andi-Co Australia Pty Ltd

Fan blower

Loose screws

Fan motor noise.

Worn bearings

Voltage

Wiring

Compressor will not

Main PCB failure

run while fan motor

Capacitor (Discharge

runs.

capacitor before testing)

Room temp sensor

Compressor

Excessive noise.

Copper tubing

Water tank full

Water depth sensor if failure

Water pump failure

Water full alarm

Water depth is over load in

chassis

Water depth sensing

structure

Cooling or heating

Air filter

feels not good

Air discharge pipe

Unit undersized

Condenser and Evaporator

Water shower failure

Fan motor

Air flow

Less refrigerant

Capillary tube

Replace the fan blower if cracked, out of balance, or partially

missing.

Tighten them.

Replace the motor if knocking sounds continue when running or

loose, or the motor hums or noise appears to be internal while

running.

Check voltage. Call Supply Authority if not within limits.

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.

Check voltage of main PCB. Replace the main PCB if open.

Check the capacitor.

Replace if not within +/-10% of manufacturers rating. Replace if

shorted, open, or damaged.

Check the temperature setting if not at the coolest (in cooling

mode) or the warmest (in heating mode). Set it if not.

Check the compressor for open circuit or ground. If open or

grounded, replace the compressor.

Remove the cabinet and carefully rearrange tubing not to contact

cabinet, compressor, shroud and barrier.

Check and pour if the water tank is full.

Check and replace if failure.

Check and replace if the pump if failure.

Check and drainage the water in the chassis by open the drainage

hose on the chassis.

Check and replace or realign if the structure is failure.

Clean or replace if restricted.

Realign and assemble if the installation of the air discharging pipe

failure. Replace if damaged.

Determine if the unit is properly sized for the area to be cooled or

heated.

Clean or replace if restricted.

Check the structure of water showering system and clean if

blocked.

Check the fan capacitor and replace if not within +/-10% of

manufactures rating.

Clean or remove if any barrier is found to block the inlet/outlet

wind flow of the unit.

Check the tubes for reasons of leakage. Recycle the refrigerant,

correct the leakage points and recharge.

Regulate the flow if capillary tube and make the evaporating

temperature appropriate if the evaporator is frosted. Replace if

blocked. Repair joint if leaking.

Service manual for K1 portable Series