Bosch Climate 5000 6 720 866 141 (2016/07)
4. Troubleshooting
WARNING
If ANY of the following conditions occurs, turn off your unit immediately!
• The power cable is damaged or abnormally warm
• You smell a burning odor
• The unit emits loud or abnormal sounds
• A power fuse blows or the circuit breaker frequently trips
• Water or other objects fall into or out of the unit
DO NOT ATTEMPT TO FIX THESE YOURSELF! CONTACT AUTHORIZED
SERVICE PROVIDER IMMEDIATELY!
4.1. Common Issues
The following problems are not a malfunction and in most situations will
not require repairs.
on when pressing
The Unit has a 3-minute protection feature that
prevents the unit from overloading. The unit cannot
be restarted within three minutes of being turned off.
The unit changes
from COOL/HEAT
mode to FAN
mode
The unit may change its setting to prevent frost from
forming on the unit. Once the temperature increases,
the unit will start operating in the previously selected
The set temperature has been reached, at which point
the unit turns off the compressor. The unit will
continue operating when the temperature fluctuates
The indoor unit
emits white mist
In humid regions, a large temperature difference
between the room's air and the conditioned air can
and outdoor units
When the unit restarts in HEAT mode after defrosting,
white mist may be emitted due to moisture generated
from the defrosting process.
The indoor unit
makes noises
A rushing air sound may occur when the louver resets
its position.
A squeaking sound may occur after running the unit in
HEAT mode due to expansion and contraction of the
Both the indoor
unit and outdoor
unit make noises
Low hissing sound during operation: This is normal
and is caused by refrigerant gas flowing through both
indoor and outdoor units.
Low hissing sound when the system starts, has just
stopped running, or is defrosting: This noise is normal
and is caused by the refrigerant gas stopping or
Squeaking sound: Normal expansion and contraction
of plastic and metal parts caused by temperature
changes during operation can cause squeaking
The outdoor unit
makes noises
The unit will make different sounds based on its
current operating mode.
from either the
indoor or outdoor
The unit may accumulate dust during extended
periods of non-use, which will be emitted when the
unit is turned on. This can be mitigated by covering
the unit during long periods of inactivity.
The unit emits
a bad odor
The unit may absorb odors from the environment
(such as furniture, cooking, cigarettes, etc.) which
will be emitted during operations.
The unit's filters have become moldy and should be
cleaned.
the outdoor unit
does not operate
During operation, the fan speed is controlled to
optimize product operation.
Operation is
erratic,
unpredictable,
or unit is
unresponsive
Interference from cell phone towers and remote
boosters may cause the unit to malfunction.
In this case, try the following:
• Disconnect the power, then reconnect.
• Press ON/OFF button on remote control to
NOTE
If problem persists, contact a local dealer or your nearest customer
service center. Provide them with a detailed description of the unit
malfunction as well as your model number.