Friedrich AS - W126BMS0 Service Manual page 26

Part 4 Trouble Shooting
Problem
• Air is not circulatingprop-
• The air filter is dirty.
• The room temperature is
• Cold air is escaping from
The air conditioner
does not generate
• The desired temperature
cool air.
• There is a heating
• Air circulation operation
• Outside temperature is
• When the heating mode
• Vane is almost closed
• Even though outdoor
The air conditioner
does not generate
warm air.
• Defrosting mode is being
• Outside temperature is
• The air conditioner is
The air-conditioner
stops during oper-
ation.
• A power failure has
Possible causes
erly.
too high.
the room.
is higher than the set
temperature.
source nearby.
is selected.
too high.
is started.
and air flow does not
come out.
unit is already begun to
operate.
done in the outdoor unit.
too low.
suddenly turn off.
occurred during opera-
tion.
Corrective action
• Make sure that there are no curtains, blinds or fur-
niture blocking the front of the air conditioner.
• Clean the air filter once every 2 weeks.
• See "Cleaning Air Filter" for more information.
• In summer, it may take some time to cool indoor air.
• In this case, select the jet cool operation to cool
indoor air quickly.
• Make sure that no cold air is escaping through
ventilation points in the room.
• Set the desired temperature to a level lower than
the current temperature.
• Avoid using a heat generator such as an electric
oven or a gas burner while the air conditioner is in
operation.
• In the air circulation operation, air blows from the air
conditioner without cooling or heating the indoor air.
• Switch the operation mode to the cooling operation.
• The cooling effect may not be sufficient.
• This symptom is normal.
• Please wait until the unit is preparing warm air.
• This function prepare to blow warm air.
• In heating mode, ice/frost is built up on the coils
when the outside temperature fall down.
• This function remove a layer of frost on the coil.
• Please wait until this operation is completed. It
takes about 15 mins.
• The heating effect may not be sufficient.
• The timer function could be operated. If the timer
function would operate, the air-conditioner can be
turn off.
• Check the timer setting is correct.
• There is the Auto Restart Function. It is a default
setting.
• This function can turn on the unit automatically
when the power is restored.
• If you live in frequent power failure area, this
function would be useful.
- 26 -
Error Code
01, 05, 09
01
01, 26, 32,
61, 62
01, 26, 32,
61, 62
41, 44, 45,
65
41, 44, 45,
65