Movincool Office Pro 12 / Office Pro 18 / Office Pro 24 Service Manual download pdf (Page 31)

Repair Section

7. TROUBLESHOOTING

7.1 Troubleshooting

• Before troubleshooting the system, the following inspection should be performed.

(1) Inspection of power source voltage

• Check the voltage of the power source.

- Single phase 208/230 V (60 Hz)

• Check the operation and condition of the fuse or circuit breaker in the power source.

(2) Inspection of air filters

• Remove the air filters and check the element. If the element is dirty, wash it as described in the

OPERATION MANUAL supplied with the unit.

(3) Inspection of condensate pump

• Remove any dirt or debris which may collect in the bottom of the reservoir tank.

• On a monthly basis, check the condensate drain hose for kinks, blockage or any other damage

that may obstruct condensate pump from draining properly.

• Make sure that motor's cover is closed to keep electrical parts free of dust, dirt and any other

foreign material.

• Condensate pump overflow switch can stop the compressor operation if the pump is

malfunction. To test the condensate pump overflow switch, pinch the drain outlet hose and pour

water into the reservoir inlet drain hole. Continue to fill the reservoir until the rising water lifts the

overflow switch and stops the operation. If the compressor continues to operate when the

reservoir is full, check your installation procedure. After testing is completed, release the drain

outlet hose to enable the condensate pump to empty its reservoir. Make sure the 9 in (230 mm)

section of hose is installed into the inlet drain hole of the pump reservoir.

(4) Inspection of drain tanks (optional)

• Make sure tank is fully drained.

< NOTE >

If the fan mode control DIP switch is set to the stop position, the entire unit (including fan

operation) turns off.

The following pages (page 32 to 39) are self-diagnostic codes and troubleshooting information.

Detailed information is contained in the OPERATION MANUAL supplied with the unit.

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 68 69

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Movincool Office Pro 12 / Office Pro 18 / Office Pro 24 Service Manual Page 31