Servicing And Maintenance; Troubles And Solutions; Troubles And Solutions Concerning The Remote Controller - York YKHC 18 Service Manual

Part11. Servicing and maintenance

1. Troubles and Solutions

If any the following abnormal conditions occur, turn off the power supply immediately. Please contact our dealer.
TROUBLES
If any of the following conditions occur, check your unit and resolve corresponding problems referring to given
remediation. If the trouble can't be settled contact our dealer.
Trouble
Unit does not start
Air flowing normally
with low
cooling(heating)
effect
NOTE: Do not replace electric wire or repair the air conditioner by yourself to avoid possible danger.

2. Troubles and solutions concerning the remote controller

Please make the following check before asking for repair or maintenance.
Trouble
CAN NOT CHANGE THE
FAN SPEED SETTING
Symptom
Press ON/OFF button,
controlling signals can not be transmitted
Indicator lamps flash rapidly, after your disconnecting and connecting the unit, the
situation is the same.
Fuse or circuit breaker work frequently.
Foreign matter or water has fallen into the unit.
Remote controller is disabled or the switch is out of hand.
Any other unusual conditioner is observed.
Cause
Power failure.
Power switch is open.
Fuse of power switch may have blown.
Batteries of remote controller are exhausted.
The time is not start-up time you have set.
Temperature is not set correctly.
Door or window is open.
Air filter is blocked with dust or dirtiness.
Inlet/outlet of indoor/outdoor units are blocked.
Inlet/outlet of indoor/outdoor units are blocked.
Be in 3 minutes protection of compressor
Check if the mode display on the
LCD is AUTO
Check if the mode display on the
LCD is DRY
The transmission symbol does not flash
the remote Check if the remote controller
has run out of power
Wait for the comeback of power
Switch on the power
Replace the fuse
Replace the batteries
Wait or cancel the time set.
Set the temperature properly.
Close door and window.
Clean the air filter.
Clear all blockages.
Clear the blockage, then restart your
operation.
Wait
Cause
Checking items
41
Solutions
Solutions
The lndoor Unit will select fan speed
automatically when AUTO mode is
selected.
The lndoor Unit will select fan speed
automatically when the
DRY mode.
Cause
When the battery
transmission signals can not be sent
unit is on
was out,