88
The followings are possible causes. Check the followings.
1. Is the stop operation performed with the remote control of the
air conditioner?
2. When a central unit is connected in addition to this unit, is the
stop operation performed with the central unit?
3. Was the power supply for air conditioner interrupted?
4. Is the schedule of stopping the air conditioner registered with
the schedule function of the unit?
5. Is Heating Optimization function of this unit activated?(The
above function stops the air conditioner during the heating
operation to prevent warm air when the thermo-switch is turned
off.) (For details, see P45, 46.)
Item Description and Corrective Action
The air conditioner is
supposed to operate, but it is
stopped.
The followings are possible causes. Check the followings.
1. Is the start operation performed with the remote control of the
air conditioner?
2. When a central unit is connected in addition to this unit, is the
start operation performed with the central unit?
3. Is the schedule of starting the air conditioner registered with the
schedule function of the unit?
4. Is Temperature Limit function of this unit activated?(The above
function operates the air conditioner automatically to avoid
excessive increase or decrease of room temperature.) (For
details, see P42-44.)
The air conditioner is
supposed to be stopped, but it
is operating.
The followings are possible causes. Check the followings.
1. Is the set temperature or the operation mode changed with the
remote control of the air conditioner?
2. When a central unit is connected in addition to this unit, is the
set temperature or the operation mode changed with the central
unit?
3. Is the schedule of changing the set temperature or the
operation mode registered with the schedule function of the
unit?
4. Is Change Over function of this unit activated?(The above
function changes the operation mode and set temperature of
the air conditioner automatically to maintain an optimum room
temperature. (For details, see P37-41.)
The set temperature or the
operation mode of the air
conditioner has been changed.
Before Having the Product Serviced
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