Troubleshooting - York YVHC 09 Service Manual

Trouble shooting
Problem
A. Air conditioning unit inoperative.
B. Unit does not cool sufficiently.
C. There is a bad odour in the room.
D. Air conditioning unit makes noise.
E. Seems as if condensed water is flowing from the unit.
F. Air conditioning unit inoperative 3 minutes after reset.
G. The remote control display becomes weak or goes off.
H. Air conditioning unit does not respond to remote control unit, or to direct manual
control.
Possible cause and correction
1. Make sure fuse is not blown out or main switch has not been activated.
2. Is main switch set to OFF?
3. Has any mistake been made when programming?
1. Is the filter dirty? See instructions on how to clean filter.
2. The room was probably too warm when turning the unit on: Wait until the unit has had time to
lower the room temperature.
3. Has the adequate temperature been programmed?
4. Are the unit air intake or outlet grids obstructed?
1. Make sure said odour is not from dampness of walls, carpets, furniture or other fabrics in the
room.
1. A noise similar to running water: Caused by refrigerant liquid going through refrigerant circuit.
2. A noise similar to a shower: Caused by dehumidification water treated inside the unit.
1. Condensation is produced when the unit cools the air in the room.
1. Due to a system protecting device. Wait 3 minutes for operation to start again.
1. The batteries may need changing.
2. Do not invert polarity of the batteries when changing.
1. The batteries may need changing.
2. Do not invert polarity of the batteries when changing.
3. Contact your authorized Service Centre to have them check the power supply of your
installation.
GB